The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A028338 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A028338

Triangle of coefficients in expansion of (x+1)*(x+3)*...*(x + 2n - 1) in rising powers of x.
(history; published version)

#91 by Joerg Arndt at Thu Jan 02 02:55:44 EST 2025

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proposed

approved

#90 by Jason Yuen at Wed Jan 01 15:07:07 EST 2025

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editing

proposed

#89 by Jason Yuen at Wed Jan 01 15:06:46 EST 2025

EXAMPLE

Boas-Buck recurrence for column k=2 and n=4: T(4, 2) = (4!/2)*(2*(1+4*(5/12 ))*T(2, 2)/2! + 1*(1 + 4*(1/2))*T(3,2)/3!) = (4!/2)*(8/3*1 + 3*9/3!) = 86. - Wolfdieter Lang, Aug 11 2017

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approved

editing

#88 by Michael De Vlieger at Tue May 02 14:41:56 EDT 2023

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reviewed

approved

#87 by Michel Marcus at Tue May 02 13:00:38 EDT 2023

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proposed

reviewed

#86 by Michael De Vlieger at Tue May 02 12:06:51 EDT 2023

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editing

proposed

#85 by Michael De Vlieger at Tue May 02 12:06:47 EDT 2023

LINKS

Thomas Godland and Zakhar Kabluchko, <a href="https://doi.org/10.1007/s00025-023-01918-2">Projections and Angle Sums of Belt Polytopes and Permutohedra</a>, Res. Math. (2023) Vol. 78, Art. No. 140.

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approved

editing

#84 by Peter Luschny at Mon May 30 02:24:51 EDT 2022

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proposed

approved

#83 by Michel Marcus at Mon May 30 01:57:20 EDT 2022

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editing

proposed

#82 by Michel Marcus at Mon May 30 01:57:16 EDT 2022

LINKS

Bruce E. Sagan and Joshua P. Swanson, <a href="https://arxiv.org/abs/2205.14078">q-Stirling numbers in type B</a>, arXiv:2205.14078 [math.CO], 2022.

STATUS

approved

editing