The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A336469 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A336469

a(n) = A329697(phi(n)), where A329697 is totally additive with a(2) = 0 and a(p) = 1 + a(p-1) for odd primes.
(history; published version)

#25 by Susanna Cuyler at Sat Jul 25 10:34:48 EDT 2020

STATUS

proposed

approved

#24 by Antti Karttunen at Sat Jul 25 06:25:37 EDT 2020

STATUS

editing

proposed

#23 by Antti Karttunen at Sat Jul 25 06:23:50 EDT 2020

CROSSREFS

Cf. A000010, A000265, A003434, A005087, A046660, A064097, A064415, A329697, A336396, A336477.

Cf. A003401 (positions of 0'szeros).

STATUS

proposed

editing

#22 by Antti Karttunen at Sat Jul 25 06:11:12 EDT 2020

STATUS

editing

proposed

#21 by Antti Karttunen at Sat Jul 25 06:10:15 EDT 2020

FORMULA

a(n) = A329697(n) - A005087(n) = A336396(n) + A046660(A000265(n)).

CROSSREFS

Cf. A000010, A000265, A003434, A005087, A046660, A064097, A064415, A329697, A336396.

STATUS

proposed

editing

#20 by Antti Karttunen at Fri Jul 24 22:52:49 EDT 2020

STATUS

editing

proposed

#19 by Antti Karttunen at Fri Jul 24 22:48:06 EDT 2020

FORMULA

a(n) = A336396(n) + A046660(A000265(n)) = A336396(n) + A001222(A003557(A000265(n))).

CROSSREFS

Cf. A000010, A000265, A003434, A046660, A064097, A064415, A329697, A336396.

#18 by Antti Karttunen at Fri Jul 24 22:45:41 EDT 2020

FORMULA

a(n) = A336396(n) + A046660(A000265(n)) = A336396(n) + A001222(A003557(A000265(n))).

#17 by Antti Karttunen at Fri Jul 24 22:43:46 EDT 2020

FORMULA

a(n) = (A336396(n) + A001222(A003557(A000265(n))).

STATUS

proposed

editing

#16 by Antti Karttunen at Fri Jul 24 22:30:18 EDT 2020

STATUS

editing

proposed