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 A140699 Triangle read by rows: A054524*A140256. 1
 1, 2, -1, 3, 0, -1, 2, -2, 0, 0, 5, 0, 0, 0, -1, 1, -3, -2, 0, 0, 1, 7, 0, 0, 0, 0, 0, -1, 2, -2, 0, 0, 0, 0, 0, 0, 3, 0, -3, 0, 0, 0, 0, 0, 0, 1, -5, 0, 0, -2, 0, 0, 0, 0, 1, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1, -1, -2, 0, 0, 2, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -1, 1, -7, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 0, 1, 1, 0, -5, 0, -3, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row products are A140700. Similar to table A140256. Can perhaps be seen as taking the moebius function of A126988 times the mangoldt function of A126988. LINKS FORMULA a(n) = A054524*A140256 EXAMPLE 1; 2, -1; 3, 0, -1; 2, -2, 0, 0; 5, 0, 0, 0, -1; 1, -3, -2, 0, 0, 1; 7, 0, 0, 0, 0, 0, -1; 2, -2, 0, 0, 0, 0, 0, 0; 3, 0, -3, 0, 0, 0, 0, 0, 0; 1, -5, 0, 0, -2, 0, 0, 0, 0, 1; 11,0, 0, 0, 0, 0, 0, 0, 0, 0, -1; CROSSREFS Cf. A054524, A140256, A126988, A140700. Sequence in context: A277322 A182740 A228786 * A140256 A126206 A307744 Adjacent sequences:  A140696 A140697 A140698 * A140700 A140701 A140702 KEYWORD sign,tabl AUTHOR Mats O. Granvik and Gary W. Adamson, May 24 2008 STATUS approved

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Last modified October 17 06:08 EDT 2019. Contains 328106 sequences. (Running on oeis4.)