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 A140581 Triangle read by rows, A054525 * A140256. 3
 1, 1, 1, 2, 0, 1, 0, 1, 0, 1, 4, 0, 0, 0, 1, -3, 2, 1, 0, 0, 1, 6, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 2, 0, 0, 0, 0, 0, 1, -5, 4, 0, 0, 1, 0, 0, 0, 0, 1, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, -3, 0, 20, 1, 0, 0, 0, 0, 0, 1, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -7, 6, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Row sums = A014963: (1, 2, 3, 2, 5, 1, 7, 2, 3, 1, 11, 1, 13, 1,...). LINKS FORMULA Mobius transform of triangle A140256 = A054525 * A140256; as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are: 1; 1, 1; 2, 0, 1; 0, 1, 0, 1; 4, 0, 0, 0, 1; -3, 2, 1, 0, 0, 1; 6, 0, 0, 0, 0, 0, 1; 0, 0, 0, 1, 0, 0, 0, 1; 0, 0, 2, 0, 0, 0, 0, 0, 1; ... CROSSREFS Cf. A140256, A054525. Sequence in context: A137276 A287234 A309938 * A137277 A039975 A016253 Adjacent sequences: A140578 A140579 A140580 * A140582 A140583 A140584 KEYWORD tabl,sign AUTHOR Gary W. Adamson and Mats Granvik, May 17 2008 STATUS approved

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Last modified December 5 19:57 EST 2022. Contains 358588 sequences. (Running on oeis4.)