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A198008 as a simple table

n a(n)
1 2
2 12
3 51
4 182
5 753
6 3061
7 12503
8 51668
9 213279
10 880209
11 3634766
12 15007471
13 61961064
14 255823889
15 1056237984
16 4360961496
17 18005397659
18 74340087665
19 306933036933
20 1267255479837
21 5232203898902
22 21602557380388
23 89191955117072

[2,12,51,182,753,3061,12503,51668,213279,880209,
 3634766,15007471,61961064,255823889,1056237984,
 4360961496,18005397659,74340087665,306933036933,
 1267255479837,5232203898902,21602557380388,
 89191955117072]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)