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A049641 a(n)=Sum{((-1)^i)*T(i,n-i): i=0,1,...,n), array T as in A049639. +0
2
0, 0, 2, 0, 3, 0, 5, 0, 7, 0, 11, 0, 13, 0, 19, 0, 23, 0, 29, 0, 33, 0, 43, 0, 47, 0, 59, 0, 65, 0, 73, 0, 81, 0, 97, 0, 103, 0, 121, 0, 129, 0 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A008808 A008820 A066682 this_sequence A035363 A079977 A008799

Adjacent sequences: A049638 A049639 A049640 this_sequence A049642 A049643 A049644

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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

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