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A055133 Matrix inverse of A008459 (squares of entries of Pascal's triangle). 2
1, -1, 1, 3, -4, 1, -19, 27, -9, 1, 211, -304, 108, -16, 1, -3651, 5275, -1900, 300, -25, 1, 90921, -131436, 47475, -7600, 675, -36, 1, -3081513, 4455129, -1610091, 258475, -23275, 1323, -49, 1, 136407699, -197216832, 71282064, -11449536 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,4

FORMULA

a(n, k) = (-1)^(n+k)*A000275(n-k)*C(n, k)^2.

EXAMPLE

1; -1,1; 3,-4,1; -19,27,-9,1; 211,-304,108,-16,1; ...

CROSSREFS

Sequence in context: A039757 A136228 A154829 * A113084 A055325 A162498

Adjacent sequences:  A055130 A055131 A055132 * A055134 A055135 A055136

KEYWORD

sign,tabl

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Apr 25 2000

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.