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A132307 2*A007318^(2) - A000012. 3

%I #5 Mar 05 2022 00:54:41

%S 1,3,1,7,7,1,15,23,11,1,31,63,47,15,1,63,159,159,79,19,1,127,383,479,

%T 319,119,23,1,255,895,1343,1119,559,167,27,1,511,2047,3583,3583,2239,

%U 895,223,31,1,1023,4607,9215,10751,8063,4031,1343,287,35,1

%N 2*A007318^(2) - A000012.

%C Row sums = A132308: (1, 4, 15, 50, 157, 480, 1451, ...). Inverse binomial transform of A132307 = triangle A132309 (having row sums A077552).

%F 2*A007318^(2) - A000012 as infinite lower triangular matrices.

%e First few rows of the triangle:

%e 1;

%e 3, 1;

%e 7, 7, 1;

%e 15, 23, 11, 1;

%e 31, 63, 47, 15, 1;

%e 63, 159, 159, 79, 19, 1;

%e ...

%Y Cf. A132308, A132309, A077552.

%K nonn,tabl

%O 0,2

%A _Gary W. Adamson_, Aug 18 2007

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Last modified September 18 02:51 EDT 2024. Contains 375995 sequences. (Running on oeis4.)