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A033193 as a simple table

n a(n)
0 1
1 2
2 6
3 19
4 62
5 207
6 704
7 2430
8 8486
9 29903
10 106098
11 378391
12 1354700
13 4863834
14 17499302
15 63055947
16 227465414
17 821215295
18 2966571096
19 10721076118
20 38757594758
21 140143505031
22 506827217210
23 1833150646599 

[1,2,6,19,62,207,704,2430,8486,29903,106098,
 378391,1354700,4863834,17499302,63055947,
 227465414,821215295,2966571096,10721076118,
 38757594758,140143505031,506827217210,
 1833150646599]

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Last modified June 9 09:30 EDT 2024. Contains 373239 sequences. (Running on oeis4.)