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URL: https://oeis.org/A048118

⇱ A048118 - OEIS

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A048118
a(n)=T(2n+1,n+1), where T is given by A048113.
0
0, 1, 2, 6, 18, 60, 204, 720, 2580, 9408, 34668, 129024, 483672, 1824768, 6919752, 26357976, 100778472, 386591304, 1487221056, 5735785176, 22170562656, 85866332760, 333151068528, 1294658562912, 5038469947992, 19634243736168
OFFSET
0,3
COMMENTS
Apparently A048117 shifted once right. - R. J. Mathar, Jul 13 2025
CROSSREFS
Sequence in context: A118677 A150043 A048117 * A004113 A150044 A108531
KEYWORD
nonn
STATUS
approved