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A059580 Main diagonal of the array A059579. 0
1, 4, 52, 912, 17992, 377004, 8189036, 182127464, 4118242896, 94264009684, 2177854717348 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Sequence in context: A006760 A144340 A247020 * A091463 A144829 A055974

Adjacent sequences:  A059577 A059578 A059579 * A059581 A059582 A059583

KEYWORD

easy,nonn

AUTHOR

Floor van Lamoen (fvlamoen(AT)hotmail.com), Jan 23 2001

STATUS

approved

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Last modified December 22 14:10 EST 2014. Contains 252364 sequences.