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Search: id:A126126
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| 1, -1, 1, 2, -4, 1, -4, 13, -7, 1, 13, -40, 33, -10, 1, -33, 120, -132, 62, -13, 1
(list; table; graph; listen)
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OFFSET
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0,4
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COMMENT
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A110877 can be generated from M^n * [1,0,0,0...] where M = an infinite tridiagonal matrix with 1's in the super and subdiagonals and (1,3,3,3...) in the main diagonal.
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FORMULA
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Matrix inverse of A110877.
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EXAMPLE
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First few rows of the triangle are:
1;
-1, 1;
2, -4, 1;
-4, 13, -7, 1;
13, -40, 33, -10, 1;
-33, 120, -132, 62, -13, 1
...
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CROSSREFS
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Cf. A110877.
Sequence in context: A135185 A011029 A085111 this_sequence A078739 A004597 A077623
Adjacent sequences: A126123 A126124 A126125 this_sequence A126127 A126128 A126129
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KEYWORD
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tabl,uned,sign
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 17 2006
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