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Search: id:A054768
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A054768 a[n+2] = (2n+3) a[n+1] + (n+1)^2 a[n]. +0
1
-2, 1, 1, 9, 72, 792, 10512, 165168, 2992608, 61445088, 1409857920, 35751525120, 992877886080, 29970166769280, 976990865518080, 34206887786803200, 1280236466132467200, 51004766655793036800, 2155155171665039308800 (list; graph; listen)
OFFSET

0,1

LINKS

K. S. Brown, Integer Sequences Related To PI

CROSSREFS

Sequence in context: A108558 A128434 A119731 this_sequence A104251 A064307 A110905

Adjacent sequences: A054765 A054766 A054767 this_sequence A054769 A054770 A054771

KEYWORD

sign,easy

AUTHOR

njas, May 26 2000

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), May 27 2000

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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