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A085485 First row of symmetric square table A085484, in which the main diagonal is equal to the first row shift left. 2
1, 1, 2, 8, 40, 224, 1368, 9008, 63488, 476160, 3781512, 31664480, 278523280, 2565244096, 24668577152, 247071942208 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

CROSSREFS

Cf. A085484 (table), A085486 (antidiagonal sums).

Sequence in context: A151374 A177408 A289431 * A089603 A209358 A116456

Adjacent sequences:  A085482 A085483 A085484 * A085486 A085487 A085488

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jul 02 2003

STATUS

approved

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Last modified July 21 17:43 EDT 2019. Contains 325198 sequences. (Running on oeis4.)