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A032686 Numbers n such that n surrounded by digit '1' is a lucky number. +0
2
1, 4, 5, 7, 10, 20, 23, 25, 26, 28, 29, 40, 44, 47, 49, 50, 61, 64, 70, 71, 73, 77, 80, 83, 92, 94, 101, 109, 118, 130, 134, 137, 139, 149, 152, 154, 158, 164, 172, 173, 178, 181, 191, 196, 199, 212, 214, 215, 220, 230, 232, 239, 241, 248, 262, 263 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A000959, A032682.

Sequence in context: A022936 A057496 A057708 this_sequence A074300 A047375 A005487

Adjacent sequences: A032683 A032684 A032685 this_sequence A032687 A032688 A032689

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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