A287880 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A287880

Row sums of triangle in A287879, divided by 2.

1

1, 3, 7, 25, 61, 219, 547, 1937, 4921, 17203, 44287, 153193, 398581, 1366795, 3587227, 12211873, 32285041, 109226595, 290565367, 977773625, 2615088301, 8758657339, 23535794707, 78500250929, 211822152361, 703877909907, 1906399371247, 6313707508105, 17157594341221, 56650974993259

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..30.

CROSSREFS

Sequence in context: A100462 A161637 A329969 * A337016 A148721 A148722

Adjacent sequences: A287877 A287878 A287879 * A287881 A287882 A287883

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 18 2017

STATUS

approved