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A107554 Coordination sequence for B_21 lattice 0
1, 882, 140882, 8863106, 302667714, 6594015666, 101214781906, 1171465896066, 10742245956610, 81032397149298, 517808277907410, 2869419888714242, 14053184560509122, 61784095558625202, 247010690902297682, 907815747801312770, 3095275089052965378, 9867488703755519858 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A092675 A135127 A035758 * A089519 A206977 A206971

Adjacent sequences:  A107551 A107552 A107553 * A107555 A107556 A107557

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), May 29 2005

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.