A160969 Row sums of triangle defined in A113821.

1, 5, 18, 43, 71, 114, 196, 287, 390, 521, 739, 870, 1179, 1446, 1800, 2050, 2543, 2998, 3660, 3983, 4884, 5574, 6383, 6795, 8102, 9082, 10225, 11128, 12611, 13902, 15376, 15380, 18285, 19967, 22243, 23349, 26096, 28222, 30678, 31283, 35446, 37961

Offset

1,2

Links

Table of n, a(n) for n=1..42.

Example

Fifth row is 9, 11, 15, 17, 19, so a(5) = 71.

Crossrefs

Cf. A113821.

Sequence in context: A272703 A272736 A273532 * A213397 A101105 A037140

Adjacent sequences: A160966 A160967 A160968 * A160970 A160971 A160972

Keyword

nonn

Author

Klaus Brockhaus, May 31 2009

Status

approved