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A138902 Combinations of n counting duplicated digits (11, 22, 33, etc.). +0
1
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 6, 6, 6 (list; graph; listen)
OFFSET

1,11

EXAMPLE

123 = 123, 132, 213, 231, 312, 321

CROSSREFS

Sequence in context: A040000 A007395 A055642 this_sequence A036452 A102572 A098391

Adjacent sequences: A138899 A138900 A138901 this_sequence A138903 A138904 A138905

KEYWORD

easy,nonn

AUTHOR

Odimar Fabeny (aifab(AT)yahoo.com.br), May 16 2008

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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