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A026713 Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by A026703. +0
1
1, 1, 2, 4, 7, 12, 22, 39, 66, 118, 208, 350, 619, 1085, 1820, 3198, 5582, 9344, 16347, 28443, 47542, 82910, 143909, 240276, 418024, 724191, 1208106, 2097918, 3628929, 6049752, 10490112, 18123181, 30196610, 52297856 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A018176 A135460 A089259 this_sequence A002573 A064492 A000072

Adjacent sequences: A026710 A026711 A026712 this_sequence A026714 A026715 A026716

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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