A118039 n-th central term of triangle A118032 divided by n+1 for n>=0, where the matrix square of A118032 forms a diagonal bisection of A118032.

1, 1, 2, 6, 10, 34, 52, 229, 324, 973, 1316, 5988, 7986, 20208, 26256, 112669, 144242, 348661, 436424, 2101172, 2662972, 5911779, 7366040, 27473425, 34012310, 72163847, 88028512, 413490686, 510895170, 1067092215, 1303755984, 4229661687

Offset

0,3

Links

Table of n, a(n) for n=0..31.

Formula

a(n) = A118038(n)/(n+1) for n>=0.

Crossrefs

Cf. A118032 (triangle), A118038 (central terms); related triangles: A118040 (A118032^2), A118045.

Sequence in context: A321727 A145541 A233896 * A218965 A248821 A260559

Adjacent sequences: A118036 A118037 A118038 * A118040 A118041 A118042

Keyword

nonn

Author

Paul D. Hanna, Apr 10 2006

Status

approved