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A161870 as a simple table

n a(n)
0 1
1 2
2 7
3 18
4 47
5 110
6 258
7 568
8 1237
9 2600
10 5380
11 10870
12 21652
13 42350
14 81778
15 155676
16 292964
17 544846
18 1003078
19 1828128
20 3301952
21 5911740
22 10499385
23 18502582
24 32371011
25 56240816
26 97073055
27 166497412
28 283870383
29 481212656
30 811287037
31 1360575284
32 2270274785
33 3769835178
34 6230705170
35 10251665550
36 16794445441

[1,2,7,18,47,110,258,568,1237,2600,5380,10870,
 21652,42350,81778,155676,292964,544846,1003078,
 1828128,3301952,5911740,10499385,18502582,
 32371011,56240816,97073055,166497412,283870383,
 481212656,811287037,1360575284,2270274785,
 3769835178,6230705170,10251665550,16794445441]

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Last modified April 19 18:00 EDT 2024. Contains 371797 sequences. (Running on oeis4.)