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A188540 Numbers n such that d(n+2) = 2*d(n) where d=A000005. 2
1, 13, 19, 22, 31, 37, 38, 53, 67, 83, 86, 89, 109, 113, 124, 127, 131, 133, 134, 139, 148, 157, 169, 181, 187, 199, 211, 233, 251, 253, 257, 263, 292, 293, 295, 307, 310, 317, 326, 328, 337, 338, 343, 353, 355, 361, 376, 379, 389, 401, 406, 409, 412, 422, 427, 438, 443, 449, 453 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..59.

CROSSREFS

Cf. A063446, A160921.

Sequence in context: A171098 A118845 A050717 * A088184 A274407 A054986

Adjacent sequences:  A188537 A188538 A188539 * A188541 A188542 A188543

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov, Apr 03 2011

STATUS

approved

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Last modified October 18 05:22 EDT 2019. Contains 328146 sequences. (Running on oeis4.)