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A149227 as a simple table

n a(n)
0 1
1 1
2 4
3 10
4 46
5 139
6 667
7 2269
8 11056
9 40420
10 198622
11 761287
12 3761083
13 14905342
14 73897519
15 300239101
16 1492016545
17 6179650609
18 30758939461
19 129359690452
20 644617200640
21 2744877878209
22 13689374276287
23 58893801473479
24 293895276529510
25 1275360122843992
26 6367237075041664
27 27834937991979418

[1,1,4,10,46,139,667,2269,11056,40420,198622,
 761287,3761083,14905342,73897519,300239101,
 1492016545,6179650609,30758939461,129359690452,
 644617200640,2744877878209,13689374276287,
 58893801473479,293895276529510,1275360122843992,
 6367237075041664,27834937991979418]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)