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A186268
Central coefficients of A175105.
0
1, 2, 10, 64, 442, 3166, 23164, 171884, 1288404, 9731818, 73951550, 564689040, 4329242164, 33302459936, 256913334792, 1986880768892, 15399049701698
OFFSET
1,2
CROSSREFS
Sequence in context: A129130 A245519 A303483 * A078531 A319360 A223127
KEYWORD
nonn
AUTHOR
Mats Granvik, Feb 16 2011
STATUS
approved