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A195652
Number of ways to place 8n nonattacking kings on a 16 X 2n cylindrical chessboard.
2
2304, 9476, 47058, 259372, 1536814, 9643562, 63558566, 437500380, 3130270224, 23174548666, 176740657340, 1382652697282, 11052082053262, 89954475408222, 743275585245898, 6219118726337532, 52583297643941856, 448492643088144992, 3853319870967662784
OFFSET
1,1
COMMENTS
This cylinder is horizontal: a chessboard where it is supposed that rows 1 and 2n are in contact (number of columns = 16, number of rows = 2n).
LINKS
FORMULA
Recurrence order is 208.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Sep 22 2011
STATUS
approved