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A281971 as a simple table

n a(n)
0 1
1 3
2 7
3 20
4 49
5 110
6 227
7 435
8 786
9 1358
10 2259
11 3621
12 5627
13 8538
14 12655
15 18318
16 26049
17 36487
18 50236
19 68131
20 91412
21 121207
22 158659
23 205768
24 264786
25 337240
26 425738
27 534408
28 665866
29 822789
30 1011364
31 1237211
32 1502645
33 1814854
34 2184786
35 2615980
36 3114026
37 3695678

[1,3,7,20,49,110,227,435,786,1358,2259,3621,5627,
 8538,12655,18318,26049,36487,50236,68131,91412,
 121207,158659,205768,264786,337240,425738,534408,
 665866,822789,1011364,1237211,1502645,1814854,
 2184786,2615980,3114026,3695678]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)