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Search: id:A047877
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A047877 a(n)=(1/2)*Sum{T(i,n-i): i=0,1,...,n}, array T as in A049604. +0
1
0, 3, 4, 4, 6, 9, 11, 14, 18, 21, 26, 32, 34, 41, 49, 52, 59, 69, 73, 82, 92, 97, 108, 120, 124, 137, 151, 156, 169, 185, 191, 206, 222, 229, 246, 264, 270, 289, 309, 316, 335, 357, 365, 386, 408, 417, 440, 464, 472, 497, 523 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A112376 A161359 A078490 this_sequence A100692 A089640 A086659

Adjacent sequences: A047874 A047875 A047876 this_sequence A047878 A047879 A047880

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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