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A198951 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 6
5 16
6 39
7 99
8 271
9 763
10 2146
11 6062
12 17359
13 50337
14 147057
15 431874
16 1275273
17 3786649
18 11298031
19 33846202
20 101762937
21 306997821
22 929038518
23 2819426688
24 8578433304
25 26163061776
26 79970186791
27 244938841096
28 751646959402
29 2310683396056
30 7115199919151

[1,1,1,2,6,16,39,99,271,763,2146,6062,17359,50337,
 147057,431874,1275273,3786649,11298031,33846202,
 101762937,306997821,929038518,2819426688,
 8578433304,26163061776,79970186791,244938841096,
 751646959402,2310683396056,7115199919151]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)