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A129063 Third column (m=2) of triangle A129062 and second column of triangle A079641. 1
1, 6, 36, 250, 2040, 19334, 209580, 2562354, 34915680, 524986462, 8636859924, 154357103498, 2978418173640, 61718786864310, 1367098836863868, 32236969655283682, 806313056758966320, 21322699350055313678 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..17.

FORMULA

a(n) = A129062(n+2,2), n>=0.

a(n) = A079641(n+1,1), n>=0.

E.g.f.: (d^2/dx^2)((-log(2-exp(x)))^2)/2.

CROSSREFS

A000629 gives second, resp. first column of A129062, resp. A079641.

Sequence in context: A199422 A049431 A049428 * A221461 A090015 A299330

Adjacent sequences:  A129060 A129061 A129062 * A129064 A129065 A129066

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, May 04 2007

STATUS

approved

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Last modified August 17 11:14 EDT 2019. Contains 326057 sequences. (Running on oeis4.)