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A174154 Number of ways to place 6n nonattacking kings on a 12 x 2n chessboard 6
448, 30319, 976640, 21137959, 357365350, 5109144543, 64737165162, 749160010737, 8080813574550, 82425144219429, 803491953235264, 7545414941610145, 68680800264413920, 608889093898882615 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

V. Kotesovec, Number of ways of placing non-attacking queens and kings on boards of various sizes

Vaclav Kotesovec, G.f.

CROSSREFS

A173782, A173783, A061594, A061593, A018807

Sequence in context: A120104 A229378 A229370 * A071104 A087700 A107666

Adjacent sequences:  A174151 A174152 A174153 * A174155 A174156 A174157

KEYWORD

nonn

AUTHOR

Vaclav Kotesovec, Mar 10 2010

STATUS

approved

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Last modified December 18 20:06 EST 2018. Contains 318245 sequences. (Running on oeis4.)