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A304867 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 5
7 6
8 13
9 20
10 41
11 70
12 144
13 266
14 545
15 1072
16 2210
17 4491
18 9388
19 19529
20 41286
21 87361
22 186657
23 399927
24 862584
25 1866461
26 4058367
27 8852686
28 19384258
29 42570435
30 93783472
31 207157172
32 458805044
33 1018564642
34 2266475432
35 5053991582
36 11292781891
37 25280844844

[1,1,1,1,2,2,5,6,13,20,41,70,144,266,545,1072,
 2210,4491,9388,19529,41286,87361,186657,399927,
 862584,1866461,4058367,8852686,19384258,42570435,
 93783472,207157172,458805044,1018564642,
 2266475432,5053991582,11292781891,25280844844]

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Last modified April 16 12:52 EDT 2024. Contains 371711 sequences. (Running on oeis4.)