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A075864 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 10
5 26
6 72
7 204
8 594
9 1762
10 5318
11 16270
12 50360
13 157392
14 496016
15 1574432
16 5028962
17 16152194
18 52133154
19 169004450
20 550036778
21 1796512970
22 5886709502
23 19346204982
24 63751851400
25 210605429496
26 697337388556
27 2313871053172
28 7692939444640
29 25623793107344

[1,1,2,4,10,26,72,204,594,1762,5318,16270,50360,
 157392,496016,1574432,5028962,16152194,52133154,
 169004450,550036778,1796512970,5886709502,
 19346204982,63751851400,210605429496,697337388556,
 2313871053172,7692939444640,25623793107344]

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Last modified May 4 18:21 EDT 2024. Contains 372257 sequences. (Running on oeis4.)