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A151386 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 14
5 43
6 130
7 389
8 1278
9 4071
10 13420
11 45084
12 150797
13 516163
14 1769654
15 6110626
16 21307611
17 74431540
18 261900949
19 925239325
20 3279526284
21 11679240154
22 41699500328
23 149380445355
24 536687090908
25 1932623603426
26 6977777808999
27 25245964494315
28 91528936623924
29 332494957313551
30 1209910661326539

[1,1,2,6,14,43,130,389,1278,4071,13420,45084,
 150797,516163,1769654,6110626,21307611,74431540,
 261900949,925239325,3279526284,11679240154,
 41699500328,149380445355,536687090908,
 1932623603426,6977777808999,25245964494315,
 91528936623924,332494957313551,1209910661326539]

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Last modified June 7 06:27 EDT 2024. Contains 373144 sequences. (Running on oeis4.)