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A144345 Second column (m=2) of triangle S2p(-2) = A004747. 2
1, 6, 52, 600, 8680, 151200, 3082240, 71998080, 1896294400, 55601145600, 1796277683200, 63397990656000, 2427084884224000, 100175046107136000, 4434284662872064000, 209554432423784448000, 10530302071553904640000, 560682451860226375680000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

FORMULA

a(n)=A004747(n+2,2), n>=0.

CROSSREFS

A008544(n-1) (m=1 column), A144346 (m=3 column).

Sequence in context: A243249 A075756 A217486 * A294158 A209306 A271802

Adjacent sequences:  A144342 A144343 A144344 * A144346 A144347 A144348

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang Oct 09 2008

STATUS

approved

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Last modified November 18 13:22 EST 2018. Contains 317306 sequences. (Running on oeis4.)