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A220418 as a simple table

n a(n)
1 1
2 1
3 2
4 3
5 6
6 8
7 18
8 27
9 54
10 84
11 186
12 296
13 630
14 1008
15 2106
16 3711
17 7710
18 12924
19 27594
20 48528
21 97902
22 173352
23 364722
24 647504
25 1340622
26 2382660
27 4918482
28 9052392
29 18512790
30 33361776
31 69273666
32 127198287
33 258155910
34 475568220
35 981288906
36 1814542704
37 3714566310

[1,1,2,3,6,8,18,27,54,84,186,296,630,1008,2106,
 3711,7710,12924,27594,48528,97902,173352,364722,
 647504,1340622,2382660,4918482,9052392,18512790,
 33361776,69273666,127198287,258155910,475568220,
 981288906,1814542704,3714566310]

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Last modified March 28 14:19 EDT 2024. Contains 371254 sequences. (Running on oeis4.)