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A118048 Column 2 of triangle A118045; also equals a bisection of A118035, which is column 2 of A118032. 4

%I #3 Mar 30 2012 18:36:56

%S 3,15,57,192,567,1683,4392,12084,29073,75753,172269,430248,938784,

%T 2272308,4793652,11202642,22952439,52535655,105206253,233047158,

%U 455660913,996014343,1917372474,4062940566,7660442568,16114463106

%N Column 2 of triangle A118045; also equals a bisection of A118035, which is column 2 of A118032.

%C Triangle A118045 is a diagonal bisection of triangle A118032.

%Y Cf. A118035; A118045 (triangle), A118046 (column 0), A118047 (column 1); A118049 (row sums); related triangles: A118032, A118040.

%K nonn

%O 0,1

%A _Paul D. Hanna_, Apr 10 2006

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Last modified May 6 05:43 EDT 2024. Contains 372290 sequences. (Running on oeis4.)