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A054139
T(2n,n), array T as in
A054134
.
0
1, 4, 18, 97, 570, 3489, 21810, 138044, 881098, 5658793, 36520068, 236619717, 1538134272, 10026366588, 65513185896, 428957025672
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..15.
CROSSREFS
Sequence in context:
A234854
A334735
A086681
*
A370569
A020072
A020027
Adjacent sequences:
A054136
A054137
A054138
*
A054140
A054141
A054142
KEYWORD
nonn
AUTHOR
Clark Kimberling
STATUS
approved
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Last modified March 28 16:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)