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A025592 Number of n-move bishop paths on 8x8 board from given corner to any square. 0
1, 7, 73, 687, 6433, 59671, 550873, 5070495, 46587505, 427571527, 3921497065, 35951032335, 329500954945, 3019471143415, 27666914986873, 253491202255359, 2322457297730449, 21277556849745703, 194934635068180105 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

FORMULA

G.f.: (-120*x^5 + 274*x^4 - 225*x^3 + 85*x^2 - 15*x + 1)/(-192*x^7 - 184*x^6 + 1066*x^5 + 113*x^4 - 468*x^3 + 166*x^2 - 22*x + 1)

CROSSREFS

Sequence in context: A050917 A308418 A240195 * A009142 A155614 A113033

Adjacent sequences:  A025589 A025590 A025591 * A025593 A025594 A025595

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified November 14 12:33 EST 2019. Contains 329114 sequences. (Running on oeis4.)