A136792 Row sums of triangle A136791.

1, 4, 17, 70, 297, 1342, 6519, 34006, 189647, 1125100

Offset

0,2

Links

Table of n, a(n) for n=0..9.

Formula

a(n) = 2*A005493(n) - (n+1).

Example

a(2) = 17 = sum of row 2 terms of triangle A136791: (3 + 5 + 9).
a(2) = 17 = 2* A005493 - 3 = 2*10 - 3.

Crossrefs

Cf. A136791, A005493.

Sequence in context: A291009 A017955 A017956 * A188482 A364705 A179606

Adjacent sequences: A136789 A136790 A136791 * A136793 A136794 A136795

Keyword

nonn

Author

Gary W. Adamson, Jan 21 2008

Status

approved