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A354164 Indices of nonprimes in A090252. 5
1, 5, 7, 11, 14, 15, 23, 29, 31, 32, 47, 59, 60, 63, 65, 95, 96, 119, 120, 121, 127, 128, 131, 132, 191, 193, 239, 241, 243, 244, 255, 257, 263, 264, 265, 383, 387, 388, 479, 480, 483, 484, 487, 488, 489, 511, 512, 515, 527, 529, 531, 571, 767, 775, 776, 777, 959, 960, 961, 967, 968, 969, 975, 976, 977, 979, 980, 1023, 1031, 1055, 1056, 1059, 1063 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Russ Cox, Table of n, a(n) for n = 1..3527 (first 374 terms from N. J. A. Sloane)
Hugo van der Sanden, Table of nonprime entries in the first 10^9 terms of A090252. [See file header for description]
CROSSREFS
Sequence in context: A250127 A181494 A125293 * A098243 A037141 A355013
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 31 2022
STATUS
approved

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Last modified March 4 16:59 EST 2024. Contains 370532 sequences. (Running on oeis4.)