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A026896
T(2n,n+3), T given by
A026780
.
0
1, 9, 57, 316, 1647, 8330, 41558, 206418, 1026392, 5126109, 25763881, 130446758, 665644541, 3423360416, 17740450004, 92599616864, 486607242642, 2573051443194, 13683364565774, 73146530405912, 392867752273562, 2119154966713452
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OFFSET
3,2
LINKS
Table of n, a(n) for n=3..24.
CROSSREFS
Sequence in context:
A045720
A014916
A045635
*
A080961
A163919
A262490
Adjacent sequences:
A026893
A026894
A026895
*
A026897
A026898
A026899
KEYWORD
nonn
AUTHOR
Clark Kimberling
STATUS
approved
