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A104975
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Inverse of a Fredholm-Rueppel triangle.
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3
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1, 0, 1, -1, 0, 1, 0, -1, 0, 1, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, 1, -2, 0, 1, 0, -1, 0, 1, 0, -2, 0, 1, 0, -1, 0, 1, 3, 0, -2, 0, 1, 0, -1, 0, 1, 0, 3, 0, -2, 0, 1, 0, -1, 0, 1, -4, 0, 3, 0, -2, 0, 1, 0, -1, 0, 1, 0, -4, 0, 3, 0, -2, 0, 1, 0, -1, 0, 1, 6, 0, -4, 0, 3, 0, -2, 0, 1, 0, -1, 0, 1, 0, 6, 0, -4, 0, 3, 0, -2, 0, 1, 0, -1, 0, 1, -10, 0, 6, 0, -4, 0, 3, 0, -2
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,22
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COMMENTS
| Sequence array for A104977. Inverse of A104974. Row sums are A104976.
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FORMULA
| Riordan array (x^2/(sum{k>=0, x^(2^k)}-x), x).
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EXAMPLE
| Rows start {1},{0,1},{-1,0,1},{0,-1,0,1},{1,0,-1,0,1},{0,1,0,-1,0,1},...
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CROSSREFS
| Sequence in context: A083912 A157187 A152140 * A191254 A106404 A083889
Adjacent sequences: A104972 A104973 A104974 * A104976 A104977 A104978
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KEYWORD
| easy,sign,tabl
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AUTHOR
| Paul Barry (pbarry(AT)wit.ie), Mar 30 2005
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