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A027332
a(n) = Sum_{k=0..n-1} T(n,k) * T(n,k+3), with T given by
A026148
.
0
20, 176, 1512, 12870, 109164, 924748, 7834168, 66418402, 563744942, 4791449750, 40783720460, 347663922060, 2968147161398, 25377794552506, 217294268925008, 1863151839105740, 15996740130657296, 137522838096075630, 1183736303278008264, 10201145791863572028
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OFFSET
3,1
LINKS
Table of n, a(n) for n=3..22.
CROSSREFS
Sequence in context:
A163689
A342387
A140044
*
A159538
A091983
A037250
Adjacent sequences:
A027329
A027330
A027331
*
A027333
A027334
A027335
KEYWORD
nonn
AUTHOR
Clark Kimberling
EXTENSIONS
More terms from
Sean A. Irvine
, Oct 27 2019
STATUS
approved
