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A148927 as a simple table

n a(n)
0 1
1 1
2 3
3 9
4 27
5 95
6 336
7 1244
8 4781
9 18477
10 73322
11 296046
12 1207052
13 4987746
14 20793422
15 87421781
16 370790380
17 1582749908
18 6797872346
19 29363763117
20 127460556855
21 555943978956
22 2435259031468
23 10708170406171
24 47256735443271
25 209242372905137
26 929354290664595
27 4139817383383738
28 18490171873669054

[1,1,3,9,27,95,336,1244,4781,18477,73322,296046,
 1207052,4987746,20793422,87421781,370790380,
 1582749908,6797872346,29363763117,127460556855,
 555943978956,2435259031468,10708170406171,
 47256735443271,209242372905137,929354290664595,
 4139817383383738,18490171873669054]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)