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A195649
Number of ways to place 10n nonattacking kings on a 20 x 2n chessboard.
4
11264, 5266069, 714611200, 50123713793, 2335042206624, 82425144219429, 2383116363555182, 59315924213143597, 1314578079936797520, 26568150968269086211, 498306336520679626558, 8788579757709800395287, 147246060712874767006100, 2362334876238883501403023
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OFFSET
1,1
LINKS
Alex V. Breger,
Table of n, a(n) for n = 1..500
Vaclav Kotesovec,
Non-attacking chess pieces
Vaclav Kotesovec,
Generating function
Index entries for linear recurrences with constant coefficients
, order 1318.
FORMULA
Recurrence order is 1318.
CROSSREFS
Column k=10 of
A350819
.
Cf.
A018807
,
A195654
,
A195659
.
Sequence in context:
A051346
A217125
A195654
*
A110375
A252859
A177216
Adjacent sequences:
A195646
A195647
A195648
*
A195650
A195651
A195652
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec
, Sep 22 2011
STATUS
approved