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Search: id:A127497
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A127497 Main diagonal of triangle A127496: a(n) = A127496(n,n) for n>=0. +0
3
1, 1, 2, 7, 23, 83, 306, 1135, 4257, 16095, 61222, 233956, 897499, 3454211, 13331358, 51575877, 199954871, 776642435, 3021505570, 11772342667, 45927761857, 179393034333, 701465614758, 2745595628417, 10756232646630, 42174080381586 (list; graph; listen)
OFFSET

0,3

CROSSREFS

Cf. A127496, A127498.

Adjacent sequences: A127494 A127495 A127496 this_sequence A127498 A127499 A127500

Sequence in context: A119371 A013516 A047002 this_sequence A001338 A124190 A047062

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Jan 16 2007

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.


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