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Search: id:A024487
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A024487 a(n) = (1/(4n+2))*M(3n; n,n,n). +0
2
1, 9, 120, 1925, 34398, 659736, 13302432, 278397405, 5996669250, 132166590270, 2967978162240, 6769435250424 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A159660 A061172 A167593 this_sequence A002691 A157930 A017102

Adjacent sequences: A024484 A024485 A024486 this_sequence A024488 A024489 A024490

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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