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Search: id:A055133
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| A055133 |
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Matrix inverse of A008459 (squares of entries of Pascal's triangle). |
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+0
3
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| 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; listen)
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OFFSET
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0,4
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FORMULA
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a(n, k) = (-1)^(n+k)*A000275(n-k)*C(n, k)^2.
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EXAMPLE
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1; -1,1; 3,-4,1; -19,27,-9,1; 211,-304,108,-16,1; ...
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CROSSREFS
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Sequence in context: A028338 A039757 A136228 this_sequence A113084 A055325 A134049
Adjacent sequences: A055130 A055131 A055132 this_sequence A055134 A055135 A055136
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KEYWORD
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sign,tabl
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AUTHOR
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Christian G. Bower (bowerc(AT)usa.net), Apr 25 2000
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