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A263993 as a simple table

n a(n)
0 1
1 2
2 4
3 10
4 20
5 36
6 64
7 112
8 189
9 308
10 492
11 778
12 1210
13 1844
14 2776
15 4144
16 6114
17 8914
18 12884
19 18484
20 26302
21 37124
22 52040
23 72512
24 100415
25 138196
26 189160
27 257648
28 349184
29 470932
30 632312
31 845472
32 1125853
33 1493222
34 1973060
35 2597892
36 3408754
37 4457600
38 5810544

[1,2,4,10,20,36,64,112,189,308,492,778,1210,1844,
 2776,4144,6114,8914,12884,18484,26302,37124,52040,
 72512,100415,138196,189160,257648,349184,470932,
 632312,845472,1125853,1493222,1973060,2597892,
 3408754,4457600,5810544]

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Last modified April 24 17:20 EDT 2024. Contains 371962 sequences. (Running on oeis4.)