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A049305 Numbers n such that n is a substring of 7^n. 0
3, 4, 6, 8, 12, 15, 20, 40, 42, 43, 50, 53, 55, 59, 60, 61, 62, 69, 72, 73, 74, 75, 78, 79, 80, 81, 83, 86, 87, 88, 89, 93, 94, 95, 96, 97, 99, 100, 103, 111, 113, 114, 118, 164, 165, 185, 193, 200, 207, 210, 215, 220, 230, 232, 238, 241, 243, 250, 253, 254, 255 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Cf. A032740, A049301-A049307.

Sequence in context: A008864 A129295 A192276 * A147606 A085147 A145751

Adjacent sequences:  A049302 A049303 A049304 * A049306 A049307 A049308

KEYWORD

nonn,base,easy

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 14 18:47 EST 2012. Contains 205663 sequences.