A179902 Row sums of triangle A179901

1, 2, 5, 11, 23, 46, 87, 155, 261, 416, 641, 947, 1355, 1886

Offset

1,2

Comments

Conjectured mod 2 parity: (1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1,...)

Links

Table of n, a(n) for n=1..14.

Formula

Row sums of triangle A179901

Example

a(5) = 23 = sum of 5th row terms of triangle A179901: (1, + 4, + 6 + 8 + 4).

Crossrefs

Cf. A179901.

Sequence in context: A333396 A277828 A147878 * A140992 A248646 A093053

Adjacent sequences: A179899 A179900 A179901 * A179903 A179904 A179905

Keyword

nonn

Author

Gary W. Adamson, Jul 31 2010

Status

approved