A118044 Row sums of triangle A118040, which is the matrix square of triangle A118032; also equals a bisection of A118037, which is the antidiagonal sums of A118032.

1, 3, 11, 37, 121, 377, 1127, 3275, 9139, 24911, 65743, 170261, 429911, 1068693, 2602437, 6248267, 14746263, 34366353, 78885131, 178907811, 400485713, 886837949, 1940245619, 4200715093, 8999509127, 19101341559, 40144957769

Offset

0,2

Comments

The odd-indexed bisection of A118037 is A118049, which equals the row sums of triangle A118045.

Links

Table of n, a(n) for n=0..26.

Crossrefs

Cf. A118037, A118049; related triangles: A118032, A118040, A118045.

Sequence in context: A065540 A084171 A192875 * A027062 A134757 A094977

Adjacent sequences: A118041 A118042 A118043 * A118045 A118046 A118047

Keyword

nonn

Author

Paul D. Hanna, Apr 10 2006

Status

approved