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A032661 Lucky numbers that are the smallest concatenations of n with n + d (d = 0,1,2,3,...). +0
2
33, 67, 13, 25, 15, 49, 511, 613, 5967, 211, 111, 415, 517, 619, 115, 621, 319, 219, 321, 1029, 727, 223, 729, 427, 327, 429, 127, 1441, 129, 231, 535, 1041, 133, 235, 135, 237, 339, 643, 745, 241, 141, 1455, 2163, 1053, 1155, 651, 349, 451, 553, 655 (list; graph; listen)
OFFSET

0,1

COMMENT

First terms of sequences A032650-A032659, continued with displacements d > 9.

EXAMPLE

20th term is lucky number 1029: 29 - 10 = displacement 19 (=20-1).

CROSSREFS

Cf. A000959, A032660.

Adjacent sequences: A032658 A032659 A032660 this_sequence A032662 A032663 A032664

Sequence in context: A061560 A118618 A071595 this_sequence A055078 A044135 A044516

KEYWORD

nonn

AUTHOR

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

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Last modified October 13 02:37 EDT 2008. Contains 145008 sequences.


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