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A056633 Series expansion for 2nd perimeter weighted moment for square lattice. 1
16, 72, 384, 1864, 8720, 40064, 180992, 805416, 3542720, 15437280, 66739168, 286614344, 1223894208, 5200593136, 22003683264, 92745730384, 389613088944, 1631810452416, 6816075114112, 28401442383848 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

I. Jensen, Table of n, a(n) for n = 1..40 (from link below)

I. Jensen, More terms

CROSSREFS

Sequence in context: A027997 A146748 A029872 * A098096 A058333 A124894

Adjacent sequences:  A056630 A056631 A056632 * A056634 A056635 A056636

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Aug 30 2000

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.