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 A154557 Production array of A122848, read by row. 0
 0, 1, 0, 1, 1, 0, -1, 2, 1, 0, 3, -3, 3, 1, 0, -15, 12, -6, 4, 1, 0, 105, -75, 30, -10, 5, 1, 0, -945, 630, -225, 60, -15, 6, 1, 0, 10395, -6615, 2205, -525, 105, -21, 7, 1, 0, -135135, 83160, -26460, 5880, -1050, 168, -28, 8, 1, 0, 2027025, -1216215, 374220, -79380 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,8 REFERENCES E. Deutsch, L. Ferrari and S. Rinaldi, Production Matrices, Advances in Applied Mathematics, 34 (2005) pp. 101-122 LINKS E. Deutsch, L. Ferrari and S. Rinaldi, Production Matrices and Riordan arrays, arXiv:math/0702638v1, 2007 EXAMPLE Array starts 0, 1, 0, 1, 1, 0, -1, 2, 1, 0, 3, -3, 3, 1, 0, -15, 12, -6, 4, 1, 0, 105, -75, 30, -10, 5, 1, 0, -945, 630, -225, 60, -15, 6, 1, 0, 10395, -6615, 2205, -525, 105, -21, 7, 1, 0, -135135, 83160, -26460, 5880, -1050, 168, -28, 8, 1 0, 2027025, -1216215, 374220, -79380, 13230, -1890, 252, -36, 9, 1 Square of this array is 0, 1, 1, 0, 0, 3, 1, 0, 0, 0, 5, 1, 0, 0, 0, 0, 7, 1, 0, 0, 0, 0, 0, 9, 1, 0, 0, 0, 0, 0, 0, 11, 1, 0, 0, 0, 0, 0, 0, 0, 13, 1, 0, 0, 0, 0, 0, 0, 0, 0, 15, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 17, 1 CROSSREFS Cf. A113278, A132382, A001147. Sequence in context: A113020 A228821 A127258 * A049242 A108887 A193401 Adjacent sequences:  A154554 A154555 A154556 * A154558 A154559 A154560 KEYWORD sign,tabf AUTHOR Paul Barry, Jan 11 2009 STATUS approved

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Last modified October 17 16:18 EDT 2018. Contains 316285 sequences. (Running on oeis4.)