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 A131776 4*A065941 - 3*A049310. 5
 1, 4, 1, 1, 4, 1, 4, -2, 8, 1, 1, 4, 3, 8, 1, 4, -5, 16, 0, 12, 1, 1, 4, 2, 16, 9, 12, 1, 4, -8, 24, -10, 40, 6, 16, 1, 1, 4, -2, 24, 15, 40, 19, 16, 1, 4, -11, 32, -32, 84, -3, 80, 16, 20, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row sums = A022095, a Fibonacci-like sequence starting (1, 5, 6, 11, 17, 28,...). LINKS FORMULA 4*A065941 - 3*A049310 as infinite lower triangular matrices. EXAMPLE First few rows of the triangle are: 1; 4, 1; 1, 4, 1; 4, -2, 8, 1; 1, 4, 3, 8, 1; 4, -5, 16, 0, 12, 1; 1, 4, 2, 16, 9, 12, 1; ... CROSSREFS Cf. A065941, A049310, A022095, A131774, A131775, A131777, A131778. Sequence in context: A080278 A258328 A070085 * A010322 A299537 A053239 Adjacent sequences:  A131773 A131774 A131775 * A131777 A131778 A131779 KEYWORD tabl,sign AUTHOR Gary W. Adamson, Jul 14 2007 STATUS approved

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Last modified October 23 12:19 EDT 2019. Contains 328345 sequences. (Running on oeis4.)