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A089941 as a simple table

n a(n)
0 1
1 2
2 4
3 9
4 19
5 42
6 90
7 197
8 424
9 923
10 1989
11 4315
12 9300
13 20129
14 43374
15 93724
16 201888
17 435713
18 938218
19 2022972
20 4354569
21 9382489
22 20190181
23 43477688
24 93534469
25 201326672
26 433017364
27 931701321
28 2003520121
29 4309597827
30 9265723250

[1,2,4,9,19,42,90,197,424,923,1989,4315,9300,
 20129,43374,93724,201888,435713,938218,2022972,
 4354569,9382489,20190181,43477688,93534469,
 201326672,433017364,931701321,2003520121,
 4309597827,9265723250]

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Last modified May 20 06:19 EDT 2024. Contains 372703 sequences. (Running on oeis4.)