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A215035 Numbers n such that A215029(n) = 2. 8
2, 9, 15, 21, 31, 41, 47, 57, 63, 67, 81, 91, 95, 103, 115, 119, 123, 127, 135, 141, 145, 149, 155, 165, 175, 179, 185, 189, 195, 201, 205, 209, 225, 231, 241, 255, 265, 269, 275, 283, 297, 301, 305, 313, 321, 325, 329, 339, 343, 347, 353, 363, 367, 377, 385, 389, 401, 413, 417, 423, 427, 431, 437, 445, 449, 461, 467, 483, 487, 495, 499, 507, 523, 545, 559, 563 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..76.

StackExchange, A prime number pattern, Jul 29 2012.

CROSSREFS

A215031 is a subsequence. Cf. A215029-A215035.

Sequence in context: A304803 A184531 A063105 * A324522 A319967 A063094

Adjacent sequences:  A215032 A215033 A215034 * A215036 A215037 A215038

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 05 2012

STATUS

approved

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Last modified June 16 10:51 EDT 2021. Contains 345056 sequences. (Running on oeis4.)