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A026954 a(n) = Sum_{k=0..n-3} T(n,k) * T(n,k+3), with T given by A026386. 0
1, 10, 83, 452, 3171, 14700, 97482, 422544, 2730615, 11442786, 72932904, 299882916, 1895949055, 7706754370, 48478715240, 195623710160, 1226501910315, 4925351886030, 30811853728475, 123326259948044, 770315837004637, 3076174085773624, 19193549752057758, 76523420240817792 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Table of n, a(n) for n=3..26.

CROSSREFS

Sequence in context: A103460 A339689 A238843 * A116879 A154340 A037699

Adjacent sequences:  A026951 A026952 A026953 * A026955 A026956 A026957

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from Sean A. Irvine, Oct 18 2019

STATUS

approved

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Last modified May 6 17:59 EDT 2021. Contains 343586 sequences. (Running on oeis4.)