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A049307 Numbers n such that n is a substring of 9^n. 7
5, 7, 9, 25, 26, 31, 37, 43, 46, 47, 48, 53, 59, 60, 61, 63, 68, 69, 70, 72, 74, 76, 80, 85, 87, 88, 89, 91, 94, 97, 101, 104, 107, 124, 132, 135, 140, 148, 158, 166, 170, 180, 187, 190, 199, 209, 211, 215, 231, 243, 244, 256, 266, 270, 271, 279, 283, 288, 289, 291 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..60.

CROSSREFS

Cf. A032740, A049301-A049306.

Sequence in context: A276734 A268410 A029650 * A050113 A050888 A264349

Adjacent sequences:  A049304 A049305 A049306 * A049308 A049309 A049310

KEYWORD

nonn,base,easy

AUTHOR

David W. Wilson

STATUS

approved

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Last modified February 23 23:12 EST 2018. Contains 299595 sequences. (Running on oeis4.)