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 A131410 A127647 * A000012. 4
 1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 5, 5, 5, 5, 5, 8, 8, 8, 8, 8, 8, 13, 13, 13, 13, 13, 13, 13, 21, 21, 21, 21, 21, 21, 21, 21, 34, 34, 34, 34, 34, 34, 34, 34, 34, 55, 55, 55, 55, 55, 55, 55, 55, 55, 55, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 89, 144, 144, 144 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Row sums = A045925, n*Fib(n): (1, 2, 6, 12, 25, 48,...). A104763 = A000012 * A127647. LINKS Reinhard Zumkeller, Rows n = 1..120 of triangle, flattened FORMULA A127647 * A000012 as infinite lower triangular matrices. Partial sums of A127647 starting from the right, read by rows. By rows, F(n) occurs n times. EXAMPLE First few rows of the triangle are: 1; 1, 1; 2, 2, 2; 3, 3, 3, 3; 5, 5, 5, 5, 5; 8, 8, 8, 8, 8, 8; ... MATHEMATICA Table[Fibonacci[n], {n, 15}, {n}] // Flatten (* Vincenzo Librandi, Jan 28 2017 *) PROG (Haskell) a131410 n k = a131410_tabl !! (n-1) !! (n-1) a131410_row n = a131410_tabl !! (n-1) a131410_tabl = zipWith replicate [1..] \$ tail a000045_list -- Reinhard Zumkeller, Oct 07 2012 CROSSREFS Cf. A127647, A045925, A104763, A000045. Sequence in context: A022870 A237050 A235130 * A202453 A259529 A196052 Adjacent sequences:  A131407 A131408 A131409 * A131411 A131412 A131413 KEYWORD nonn,tabl AUTHOR Gary W. Adamson, Jul 08 2007 STATUS approved

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Last modified June 6 01:16 EDT 2020. Contains 334858 sequences. (Running on oeis4.)