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 A131778 6*A065941 - 5*A049310. 4
 1, 6, 1, 1, 6, 1, 6, -4, 12, 1, 1, 6, 3, 12, 1, 6, -9, 24, -2, 18, 1, 1, 6, 0, 24, 11, 18, 1, 6, -14, 36, -20, 60, 6, 24, 1, 1, 6, -8, 36, 15, 60, 25, 24, 1, 6, -19, 48, -58, 126, -15, 120, 20, 30, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row sums = A022097, a Fibonacci-like sequence starting (1, 7, 8, 15, 23, 38,...). LINKS FORMULA 6*A065941 - 5*A049310 as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are; 1; 6, 1; 1, 6, 1; 6, -4, 12, 1; 1, 6, 3, 12, 1; 6, -9 24, -2, 18, 1; 1, 6, 0, 24, 11, 18, 1; ... CROSSREFS Cf. A065941, A049310, A099097, A131774, A131775, A131776, A131777. Sequence in context: A182429 A195385 A138073 * A095713 A138072 A176348 Adjacent sequences:  A131775 A131776 A131777 * A131779 A131780 A131781 KEYWORD tabl,sign AUTHOR Gary W. Adamson, Jul 14 2007 STATUS approved

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