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A026721 T(n,0) + T(n,1) + ... + T(n,n), T given by A026714. 0
1, 2, 5, 12, 29, 68, 163, 376, 895, 2046, 4845, 11018, 25997, 58930, 138699, 313756, 737185, 1665342, 3908059, 8820378, 20681069, 46646884, 109305969, 246433804, 577207671, 1300924056, 3046122447, 6863883442, 16068177699 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..28.

MAPLE

A026721 := proc(n)

    add( A026714(n, k), k=0..n) ;

end proc:

seq(A026721(n), n=0..30) ; # R. J. Mathar, Oct 21 2019

CROSSREFS

Sequence in context: A079864 A131045 A182555 * A094975 A067687 A291235

Adjacent sequences:  A026718 A026719 A026720 * A026722 A026723 A026724

KEYWORD

nonn,changed

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified October 23 09:28 EDT 2019. Contains 328345 sequences. (Running on oeis4.)