The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A105521 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A105521

Sums of area and perimeter of primitive Pythagorean triples.
(history; published version)

#17 by Andrew Howroyd at Fri Aug 07 14:43:36 EDT 2020

STATUS

proposed

approved

#16 by Michel Marcus at Fri Aug 07 13:32:28 EDT 2020

STATUS

editing

proposed

#15 by Michel Marcus at Fri Aug 07 13:32:23 EDT 2020

LINKS

Douglas Butler's Table of Pythagorean triples up to 2100, , <a href="https://www.tsm-resources.com/tsm/lists/trip.html">Table of Pythagorean triples up to 2100</a>, Oundle School iCT Training Centre</a>

STATUS

proposed

editing

#14 by Elijah Beregovsky at Fri Aug 07 13:06:25 EDT 2020

STATUS

editing

proposed

#13 by Elijah Beregovsky at Fri Aug 07 13:06:07 EDT 2020

LINKS

Douglas Butler's Table of Pythagorean triples up to 2100, <a href="httphttps://www.tsm-resources.com/aliststsm/lists/trip.html">Oundle School iCT Training Centre</a>

STATUS

approved

editing

Discussion

Fri Aug 07

13:06

Elijah Beregovsky: Rotten link

#12 by N. J. A. Sloane at Thu Oct 17 12:14:33 EDT 2019

STATUS

proposed

approved

#11 by Michel Marcus at Thu Oct 17 04:44:40 EDT 2019

STATUS

editing

proposed

#10 by Michel Marcus at Thu Oct 17 04:44:22 EDT 2019

CROSSREFS

Cf. A103605, A103606, A024364, A024406., A105520

STATUS

approved

editing

#9 by Harvey P. Dale at Sat Oct 27 11:15:25 EDT 2018

STATUS

editing

approved

#8 by Harvey P. Dale at Sat Oct 27 11:13:40 EDT 2018

DATA

18, 60, 100, 140, 270, 280, 294, 462, 648, 728, 756, 1078, 1498, 1080, 1210, 1496, 1530, 1584, 1768, 2028, 2090, 2574, 2772, 2860, 2990, 3150, 3588, 3910, 4550, 4624, 4680, 4950, 5434, 5670, 5984, 6498, 6960, 7140, 7548, 8330, 8398, 8432, 8436, 8820, 9568, 10098

EXTENSIONS

Corrected and extended by Harvey P. Dale, Oct 27 2018

STATUS

approved

editing