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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; internal format)
OFFSET

0,3

CROSSREFS

Sequence in context: A127877 A082487 A081798 * A178297 A180203 A070067

Adjacent sequences:  A063396 A063397 A063398 * A063400 A063401 A063402

KEYWORD

easy,nonn

AUTHOR

Floor van Lamoen (fvlamoen(AT)hotmail.com), Jul 16 2001

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Last modified February 15 04:59 EST 2012. Contains 205694 sequences.