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Search: id:A046674
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A046674 A046673/2. +0
4
1, 18, 660, 42000, 4142880, 586776960, 113020427520, 28432576972800, 9056055981772800, 3562946373482496000, 1697172166720622592000, 962691052768668647424000, 641260394342965606809600000, 495681727573700350908825600000, 440084864982859007245221888000000 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A000254, A049034.

Sequence in context: A049869 A041615 A041612 this_sequence A073421 A159873 A033471

Adjacent sequences: A046671 A046672 A046673 this_sequence A046675 A046676 A046677

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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