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A026680
Sum{T(n-k,k)}, 0<=k<=[ n/2 ], T given by
A026670
.
+0
1
1, 1, 2, 4, 6, 10, 19, 29, 48, 88, 136, 224, 403, 627, 1030, 1830, 2860, 4690, 8257, 12947, 21204, 37068, 58272, 95340, 165723, 261063, 426786, 738352, 1165138, 1903490, 3279891, 5183381, 8463272, 14532484, 22995756, 37528240
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
AT&T Labs Research
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