The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A197680 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A197680

Numbers whose exponents in their prime power factorization are squares.
(history; published version)

#74 by Amiram Eldar at Sat Jan 20 07:26:34 EST 2024

STATUS

editing

approved

#73 by Amiram Eldar at Sat Jan 20 07:26:32 EST 2024

CROSSREFS

Cf. A000290, A049419, A005117, A115063, A197680, A209061.

STATUS

approved

editing

#72 by Alois P. Heinz at Fri Nov 05 08:49:53 EDT 2021

STATUS

proposed

approved

#71 by Amiram Eldar at Fri Nov 05 04:23:55 EDT 2021

STATUS

editing

proposed

#70 by Amiram Eldar at Fri Nov 05 04:18:17 EDT 2021

LINKS

StackExchange, <a href="http://math.stackexchange.com/questions/73354/two-dirichlets-series-related-to-the-divisor-summatory-function-and-to-the-riem">Question 73354</a>, 2011.

Vladimir Shevelev, <a href="http://dx.doi.org/10.4064/aa8395-5-2016">S-exponential numbers</a>, Acta Arithmetica, Vol. 175 (2016), pp. 385-395.

#69 by Amiram Eldar at Fri Nov 05 04:17:04 EDT 2021

COMMENTS

Numbers with an odd number of exponential divisors (A049419). - Amiram Eldar, Nov 05 2021

CROSSREFS

Cf. A000290, A049419, A005117, A115063, A197680, A209061.

STATUS

approved

editing

#68 by Peter Luschny at Fri Nov 18 15:11:23 EST 2016

STATUS

reviewed

approved

#67 by Michel Marcus at Fri Nov 18 14:25:09 EST 2016

STATUS

proposed

reviewed

#66 by Vladimir Shevelev at Fri Nov 18 06:00:58 EST 2016

STATUS

editing

proposed

#65 by Vladimir Shevelev at Fri Nov 18 06:00:50 EST 2016

LINKS

V. Vladimir Shevelev, <a href="http://dx.doi.org/10.4064/aa8395-5-2016">S-exponential numbers</a>, Acta Arithmetica, Vol. 175(2016), 385-395.

STATUS

proposed

editing