A107553 Coordination sequence for B_20 lattice

1, 800, 116320, 6665088, 207617600, 4135673952, 58211319200, 619851608000, 5247606827648, 36675485218720, 217904913709792, 1126575359557120, 5164573802656960, 21319774931941600, 80267969765109280, 278573552098758208, 899237008732376320, 2720549380000191520

Offset

0,2

Links

Table of n, a(n) for n=0..17.

Crossrefs

Sequence in context: A093220 A035757 A023100 * A357544 A031897 A325380

Adjacent sequences: A107550 A107551 A107552 * A107554 A107555 A107556

Keyword

nonn

Author

N. J. A. Sloane, May 29 2005

Status

approved