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A063399 Main diagonal of arrays A063180 and A063181. 0
1, 1, 7, 115, 3205, 138345, 8543519, 714313647, 77657039081, 10644520988729 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..9.

CROSSREFS

Sequence in context: A127877 A082487 A081798 * A220181 A328813 A178297

Adjacent sequences:  A063396 A063397 A063398 * A063400 A063401 A063402

KEYWORD

easy,nonn

AUTHOR

Floor van Lamoen, Jul 16 2001

STATUS

approved

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Last modified October 17 06:54 EDT 2021. Contains 348048 sequences. (Running on oeis4.)