The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A355895 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A355895

Even terms in A354790, divided by 2, in order of appearance.
(history; published version)

#14 by Michel Marcus at Mon Aug 29 05:31:10 EDT 2022

STATUS

reviewed

approved

#13 by Joerg Arndt at Mon Aug 29 04:03:48 EDT 2022

STATUS

proposed

reviewed

#12 by Rémy Sigrist at Mon Aug 29 03:59:39 EDT 2022

STATUS

editing

proposed

#11 by Rémy Sigrist at Mon Aug 29 03:59:19 EDT 2022

EXTENSIONS

a(16)-a(24) from Rémy Sigrist, Aug 29 2022

Discussion

Mon Aug 29

03:59

Rémy Sigrist: added some terms

#10 by Rémy Sigrist at Mon Aug 29 03:58:58 EDT 2022

DATA

1, 3, 11, 7, 17, 41, 37, 83, 79, 109, 241, 239, 499, 491, 1117, 1109, 2539, 2531, 5623, 5591, 11471, 11467, 23369, 23357

STATUS

approved

editing

#9 by N. J. A. Sloane at Sun Aug 28 07:43:30 EDT 2022

STATUS

reviewed

approved

#8 by Hugo Pfoertner at Sun Aug 28 07:18:50 EDT 2022

STATUS

proposed

reviewed

#7 by N. J. A. Sloane at Sat Aug 27 14:59:54 EDT 2022

STATUS

editing

proposed

Discussion

Sun Aug 28

07:18

Hugo Pfoertner: I'm trying to run Rémy's PARI program with extended limits, but I doubt if that won't take too long. Probably only the C program is efficient enough for that.

#6 by N. J. A. Sloane at Sat Aug 27 14:59:52 EDT 2022

COMMENTS

The even terms in A354790 appear at indices 2, 7, 15, 31, 63, 127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767, 65535, ... and conjecturally at indices 2^k-1 for all k >= 3.

STATUS

proposed

editing

#5 by N. J. A. Sloane at Sat Aug 27 14:59:09 EDT 2022

STATUS

editing

proposed