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A030056 C(2n+1,n-6). +0
4
1, 15, 136, 969, 5985, 33649, 177100, 888030, 4292145, 20160075, 92561040, 417225900, 1852482996, 8122425444, 35240152720, 151532656696, 646626422970, 2741188875414, 11554258485616, 48459472266975 (list; graph; listen)
OFFSET

6,2
LINKS

Milan Janjic, Two Enumerative Functions

CROSSREFS

Diagonal 14 of triangle A100257.

Sequence in context: A022643 A125378 A126536 this_sequence A123955 A027802 A133716

Adjacent sequences: A030053 A030054 A030055 this_sequence A030057 A030058 A030059

KEYWORD

nonn

AUTHOR

njas

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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