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A026533 Sum{T(i,j)}, 0<=j<=i, 0<=i<=n, T given by A026519. 1
1, 3, 7, 18, 40, 104, 231, 607, 1353, 3575, 7989, 21169, 47384, 125757, 281798, 748638, 1678832, 4463098, 10014074, 26635050, 59787092, 159078450, 357193976, 950678416, 2135189511, 5684158586, 12769030254, 33999245582 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..27.

CROSSREFS

Cf. A026531.

Sequence in context: A302408 A076700 A265007 * A131630 A305652 A208771

Adjacent sequences:  A026530 A026531 A026532 * A026534 A026535 A026536

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 18 17:45 EST 2019. Contains 329287 sequences. (Running on oeis4.)