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A117426 Row sums of triangle A117425. 1
1, 2, 5, 15, 51, 192, 781, 3416, 15925, 78596, 408338, 2224366, 12650993, 74876951, 459783612, 2922921342, 19192162341, 129864598567, 903840021982, 6460209847134, 47345351199235, 355305371430876, 2727065598788861 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A193296 A304454 A287253 * A201168 A001681 A192553

Adjacent sequences:  A117423 A117424 A117425 * A117427 A117428 A117429

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Mar 14 2006

STATUS

approved

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Last modified August 17 15:28 EDT 2018. Contains 313816 sequences. (Running on oeis4.)