The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A342003

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Maximal exponent in the prime factorization of the arithmetic derivative of n: a(n) = A051903(A003415(n)).
(history; published version)

#13 by N. J. A. Sloane at Sun Mar 07 19:06:41 EST 2021

STATUS

proposed

approved

#12 by Antti Karttunen at Fri Mar 05 22:11:27 EST 2021

STATUS

editing

proposed

#11 by Antti Karttunen at Wed Mar 03 03:51:51 EST 2021

FORMULA

a(n) = 1 iff A341995A341994(n) = 1.

CROSSREFS

#10 by Antti Karttunen at Wed Mar 03 03:50:17 EST 2021

FORMULA

a(n) = 1 iff A341994A341995(n) = 1.

CROSSREFS

#9 by Antti Karttunen at Wed Mar 03 03:10:07 EST 2021

FORMULA

a(n) = 1 iff A341994(n) = 1.

CROSSREFS

#8 by Antti Karttunen at Wed Mar 03 03:06:53 EST 2021

CROSSREFS

Cf. A000040 (indices of zeros), A328234 (of ones), A328393 (of the terms < 2).

#7 by Antti Karttunen at Wed Mar 03 02:28:43 EST 2021

LINKS

Antti Karttunen, <a href="/A342003/b342003.txt">Table of n, a(n) for n = 2..65537</a>

STATUS

approved

editing

#6 by Susanna Cuyler at Tue Mar 02 16:18:55 EST 2021

STATUS

proposed

approved

#5 by Antti Karttunen at Tue Mar 02 11:28:44 EST 2021

STATUS

editing

proposed

#4 by Antti Karttunen at Tue Mar 02 11:28:39 EST 2021

NAME

Maximal prime exponent in the prime factorization of the arithmetic derivative of n: a(n) = A051903(A003415(n)).