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A049703 a(0) = 0; for n>0, a(n) = A005598(n)/2. 3
0, 1, 2, 4, 7, 12, 18, 27, 38, 52, 68, 89, 112, 141, 173, 209, 249, 297, 348, 408, 472, 542, 617, 703, 793, 893, 999, 1114, 1235, 1370, 1509, 1663, 1825, 1997, 2177, 2369, 2567, 2783, 3008, 3245, 3490, 3755, 4026, 4318 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

a(n)=(1/2)*Sum{T(i,n-i): i=0,1,...,n}, array T as in A049695.

LINKS

Table of n, a(n) for n=0..43.

CROSSREFS

Partial sums - 1 of A046657.

Sequence in context: A011909 A065962 A173722 * A175812 A002621 A343657

Adjacent sequences:  A049700 A049701 A049702 * A049704 A049705 A049706

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

Edited by N. J. A. Sloane, Apr 04 2007.

STATUS

approved

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Last modified October 27 14:47 EDT 2021. Contains 348282 sequences. (Running on oeis4.)