The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A339893

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

a(n) = A000523(n) - A001222(n); floor(log_2(n)) minus the number of prime divisors of n, counted with multiplicity.
(history; published version)

#18 by Michael De Vlieger at Thu Jul 27 08:20:21 EDT 2023

STATUS

proposed

approved

#17 by Antti Karttunen at Thu Jul 27 05:37:53 EDT 2023

STATUS

editing

proposed

#16 by Antti Karttunen at Thu Jul 27 05:36:06 EDT 2023

CROSSREFS

Cf. also A339823, A342657 [= a(A156552(n))].

#15 by Antti Karttunen at Thu Jul 27 05:35:01 EDT 2023

CROSSREFS

Cf. A000523, A001222, A029744 (positions of 0's - XXX: Check!), A339895.

#14 by Antti Karttunen at Wed Jul 26 05:54:56 EDT 2023

CROSSREFS

#13 by Antti Karttunen at Wed Jul 26 05:53:21 EDT 2023

CROSSREFS

Cf. A000523, A001222, A029744, (positions of 0's - XXX: Check!), A339895.

STATUS

approved

editing

#12 by Susanna Cuyler at Mon Dec 21 23:03:36 EST 2020

STATUS

proposed

approved

#11 by Antti Karttunen at Mon Dec 21 21:11:38 EST 2020

STATUS

editing

proposed

#10 by Antti Karttunen at Mon Dec 21 21:11:15 EST 2020

CROSSREFS

STATUS

proposed

editing

#9 by Antti Karttunen at Mon Dec 21 21:07:21 EST 2020

STATUS

editing

proposed