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A192728 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 19
5 64
6 226
7 822
8 3061
9 11615
10 44746
11 174552
12 688122
13 2737153
14 10972066
15 44279234
16 179754362
17 733554695
18 3007551211
19 12382623614
20 51174497023
21 212218265661
22 882810782322
23 3682922292680
24 15404800893438
25 64590512696020
26 271425803359505

[1,1,2,6,19,64,226,822,3061,11615,44746,174552,
 688122,2737153,10972066,44279234,179754362,
 733554695,3007551211,12382623614,51174497023,
 212218265661,882810782322,3682922292680,
 15404800893438,64590512696020,271425803359505]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)