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A025262 as a simple table

n a(n)
1 1
2 1
3 1
4 3
5 8
6 23
7 68
8 207
9 644
10 2040
11 6558
12 21343
13 70186
14 232864
15 778550
16 2620459
17 8872074
18 30195288
19 103246502
20 354508628
21 1221846856
22 4225644866
23 14659644348
24 51002664023
25 177909901566
26 622093882290
27 2180123564130
28 7656055966092

[1,1,1,3,8,23,68,207,644,2040,6558,21343,70186,
 232864,778550,2620459,8872074,30195288,103246502,
 354508628,1221846856,4225644866,14659644348,
 51002664023,177909901566,622093882290,
 2180123564130,7656055966092]

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)