The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Revision History for A302036

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

A302036

Ludic powers: numbers k such that A302031(k) < 2; numbers k such that A260739(k) is a power of 2.
(history; published version)

#17 by Jon E. Schoenfield at Wed Jul 21 00:45:06 EDT 2021

STATUS

reviewed

approved

#16 by Michel Marcus at Wed Jul 21 00:04:34 EDT 2021

STATUS

proposed

reviewed

#15 by Jon E. Schoenfield at Tue Jul 20 23:53:01 EDT 2021

STATUS

editing

proposed

#14 by Jon E. Schoenfield at Tue Jul 20 23:53:00 EDT 2021

NAME

Ludic powers: numbers n k such that A302031(nk) < 2; Numbers n numbers k such that A260739(nk) is a power of 2.

COMMENTS

Numbers n k for which A302031(nk) < 2, or equally, for which A302034(nk) = 1, or equally, for which A209229(A260739(nk)) = 1.

STATUS

approved

editing

#13 by Susanna Cuyler at Fri Apr 06 10:16:07 EDT 2018

STATUS

proposed

approved

#12 by Antti Karttunen at Fri Apr 06 05:38:54 EDT 2018

STATUS

editing

proposed

#11 by Antti Karttunen at Fri Apr 06 05:36:37 EDT 2018

PROG

(PARI) for(n=1, 257, if(A302036A302031(n)<2, print1(n, ", "))); \\ See also code in A302036A302031.

CROSSREFS

Cf. A260739, A302031, A302034.

#10 by Antti Karttunen at Tue Apr 03 12:59:02 EDT 2018

NAME

Ludic powers: numbers n such that A302031(n) < 2; Numbers n such that A260739(n) is a power of 2.

COMMENTS

An analog for of A000961 for factorization process based on the Ludic sieve (A255127).

Numbers n for which A302031(n) < 2, or equally, for which A302034(n) = 1, or equally, for which A209229(A260739(n)) = 1.

CROSSREFS

Cf. A260739, A302031.

#9 by Antti Karttunen at Mon Apr 02 11:50:06 EDT 2018

CROSSREFS

Cf. A302036 (gives the positions of 1's).

#8 by Antti Karttunen at Mon Apr 02 11:49:21 EDT 2018

CROSSREFS

Cf. A302036 (gives the positions of 1's).