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A247630 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 10
5 20
6 50
7 104
8 258
9 552
10 1362
11 2972
12 7306
13 16172
14 39650
15 88720
16 217090
17 489872
18 1196834
19 2719028
20 6634890
21 15157188
22 36949266
23 84799992
24 206549250
25 475894200
26 1158337650
27 2677788492
28 6513914634
29 15102309468
30 36718533570
31 85347160608

[1,1,2,4,10,20,50,104,258,552,1362,2972,7306,
 16172,39650,88720,217090,489872,1196834,2719028,
 6634890,15157188,36949266,84799992,206549250,
 475894200,1158337650,2677788492,6513914634,
 15102309468,36718533570,85347160608]

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)