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A047121 Sum{T(i,n-i): i=0,1,...,n}, array T as in A047120. 0
1, 2, 3, 5, 9, 18, 36, 69, 134, 263, 526, 1052, 2085, 4143, 8250, 16500, 33000, 65851, 131484, 262668, 525336, 1050672, 2100045, 4198157, 8393603, 16787206, 33574412, 67136750, 134255332, 268484858, 536969716, 1073939432, 2147761687 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Sequence in context: A080091 A000602 A034790 * A182080 A259117 A096753

Adjacent sequences:  A047118 A047119 A047120 * A047122 A047123 A047124

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 29 18:41 EST 2021. Contains 349416 sequences. (Running on oeis4.)