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A149259 as a simple table

n a(n)
0 1
1 1
2 4
3 11
4 40
5 118
6 456
7 1507
8 5744
9 19426
10 75560
11 266158
12 1030352
13 3670444
14 14352464
15 52199971
16 203654240
17 745615306
18 2926444392
19 10849522426
20 42528251536
21 158358462868
22 623214599920
23 2340173575694
24 9202203205792
25 34661061537428
26 136684369294096
27 517939660469372
28 2041346677210144

[1,1,4,11,40,118,456,1507,5744,19426,75560,266158,
 1030352,3670444,14352464,52199971,203654240,
 745615306,2926444392,10849522426,42528251536,
 158358462868,623214599920,2340173575694,
 9202203205792,34661061537428,136684369294096,
 517939660469372,2041346677210144]

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Last modified September 18 05:14 EDT 2024. Contains 375995 sequences. (Running on oeis4.)