A123310 - OEIS

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A123310

Row sums of triangle A123305.

1, 2, 5, 18, 93, 650, 5825, 64486, 858525, 13460814, 244360845, 5063982498, 118379934453, 3090176655290, 89294118056273, 2834776197278278, 98222473389128821, 3693056479700344798, 149906848766779722109

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OFFSET

0,2

COMMENTS

Triangle T=A123305 is defined by: (column k of T) = (k+1)*(column k of T^2) shifted to have an initial '1'.

LINKS

Table of n, a(n) for n=0..18.

CROSSREFS

Cf. A123305; A123306, A123307, A123308, A123309, A123311.

Sequence in context: A032273 A143522 A217389 * A058119 A335547 A367012

Adjacent sequences: A123307 A123308 A123309 * A123311 A123312 A123313

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Sep 25 2006

STATUS

approved