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Search: id:A066114
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A066114 a(0) = 1; for n > 0, a(n) = (n!*(3*n+1))/2. +0
1
1, 2, 7, 30, 156, 960, 6840, 55440, 504000, 5080320, 56246400, 678585600, 8861529600, 124540416000, 1874333260800, 30076510464000, 512608352256000, 9247873130496000, 176065276907520000, 3527707911856128000, 74203511249387520000 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A030975 A144495 A154259 this_sequence A088128 A001053 A124552

Adjacent sequences: A066111 A066112 A066113 this_sequence A066115 A066116 A066117

KEYWORD

nonn,easy

AUTHOR

George E. Antoniou (george.antoniou(AT)montclair.edu), Dec 05 2001

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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