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A131345 Triangle read by rows: A065941 * A046854 as infinite lower triangular matrices. 1

%I #6 May 29 2023 11:24:47

%S 1,2,1,3,2,1,5,5,3,1,8,10,8,3,1,13,20,19,10,4,1,21,38,42,26,14,4,1,34,

%T 71,89,65,41,16,5,1,55,130,182,151,110,50,21,5,1,89,235,363,338,276,

%U 146,72,23,6,1,144,420,709,730,659,392,223,83,29,6,1

%N Triangle read by rows: A065941 * A046854 as infinite lower triangular matrices.

%C Left border = Fibonacci numbers starting with F(2). Row sums = A131244: (1, 3, 6, 14, 30, 67, 146,...). A131344 = A046854 * A065941.

%F A065941 * A046854 as infinite lower triangular matrics.

%e First few rows of the triangle are:

%e 1;

%e 2, 1;

%e 3, 2, 1;

%e 5, 5, 3, 1;

%e 8, 10, 8, 3, 1;

%e 13, 20, 19, 10, 4, 1;

%e 21, 38, 42, 26, 14, 4, 1;

%e ...

%Y Cf. A046854, A065941, A131244, A131344.

%K nonn,tabl

%O 0,2

%A _Gary W. Adamson_, Jun 30 2007

%E a(49) split and more terms from _Georg Fischer_, May 29 2023

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Last modified March 28 14:13 EDT 2024. Contains 371254 sequences. (Running on oeis4.)