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Search: id:A089976
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A089976 Row sums of triangle A089975. +0
2
1, 1, 2, 4, 8, 20, 52, 146, 458, 1498, 5240, 19562, 76006, 311258, 1334108, 5931250, 27492122, 132096626, 655783888, 3368747018, 17837850110, 97228103482, 545514383396, 3142793126018 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A121703 A115219 A078160 this_sequence A000980 A123611 A082279

Adjacent sequences: A089973 A089974 A089975 this_sequence A089977 A089978 A089979

KEYWORD

easy,nonn

AUTHOR

Paul Boddington (psb(AT)maths.warwick.ac.uk), Nov 17 2003

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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