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A071999 Determinant of n X n matrix whose element A(i,j) is 1 if i=j, i or j if n=i+j and 0 otherwise. 0
1, 1, -1, -2, 15, 28, -495, -924, 29393, 55200, -2755377, -5206760, 374909535, 712318464, -69864169375, -133355433456, 17088978269025, 32747341496320, -5311777786094241, -10212994682100000, 2045230826019387119, 3943711514611814400, -955583772509043759375 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

MATHEMATICA

Table[ Det[ Table[ If[i == j, 1, If[n == j + i, i, 0]], {i, 1, n}, {j, 1, n}]], {n, 1, 22}]

CROSSREFS

Sequence in context: A075312 A128828 A032002 * A031289 A093917 A076352

Adjacent sequences:  A071996 A071997 A071998 * A072000 A072001 A072002

KEYWORD

sign

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 19 2002

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Last modified February 15 13:48 EST 2012. Contains 205810 sequences.