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A127134 Central terms of triangle A127126; a(n) = A127126(2n,n). 2
1, 2, 18, 284, 6680, 211398, 8439235, 407247048, 23056215138, 1498169721930, 109876657252604, 8976437481923520, 808257688877060396, 79516093326076500590, 8485004019719253675540, 976009472808194554659440 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

a(n) is divisible by (n+1): a(n)/(n+1) = A127135(n).

LINKS

Table of n, a(n) for n=0..15.

CROSSREFS

Cf. A127126; A127135.

Sequence in context: A292693 A295183 A294193 * A131455 A084947 A123385

Adjacent sequences:  A127131 A127132 A127133 * A127135 A127136 A127137

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jan 05 2007

STATUS

approved

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Last modified January 20 05:27 EST 2020. Contains 331067 sequences. (Running on oeis4.)