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A149336 as a simple table

n a(n)
0 1
1 1
2 4
3 12
4 40
5 147
6 552
7 2108
8 8316
9 33289
10 134841
11 553959
12 2298348
13 9612184
14 40539298
15 172119016
16 735000952
17 3156525934
18 13621846126
19 59039338928
20 256950972772
21 1122435218403
22 4919640466189
23 21631898475941
24 95393882536337
25 421809165548347
26 1869910737898759
27 8309058724349230

[1,1,4,12,40,147,552,2108,8316,33289,134841,
 553959,2298348,9612184,40539298,172119016,
 735000952,3156525934,13621846126,59039338928,
 256950972772,1122435218403,4919640466189,
 21631898475941,95393882536337,421809165548347,
 1869910737898759,8309058724349230]

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Last modified March 19 07:25 EDT 2024. Contains 370955 sequences. (Running on oeis4.)