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A117428 Row sums of triangle A117427. 1
1, 3, 9, 30, 110, 442, 1908, 8822, 43330, 224595, 1221860, 6953514, 41232563, 253992215, 1620599471, 10689986451, 72734177909, 509288018981, 3663185604591, 27027424720210, 204246277508032, 1578970198567932 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Sequence in context: A129167 A151472 A107379 * A134168 A124427 A055730

Adjacent sequences:  A117425 A117426 A117427 * A117429 A117430 A117431

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Mar 14 2006

STATUS

approved

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Last modified June 23 13:26 EDT 2017. Contains 288665 sequences.