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A288140 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 4
5 12
6 28
7 63
8 177
9 455
10 1233
11 3383
12 9359
13 26809
14 77078
15 223201
16 653982
17 1934508
18 5783712
19 17431660
20 52879184
21 161386859
22 495432345
23 1530191918
24 4754079840
25 14849407892
26 46604383972
27 146897291083
28 464892421363
29 1477052536749
30 4711124635655

[1,1,1,3,4,12,28,63,177,455,1233,3383,9359,26809,
 77078,223201,653982,1934508,5783712,17431660,
 52879184,161386859,495432345,1530191918,
 4754079840,14849407892,46604383972,146897291083,
 464892421363,1477052536749,4711124635655]

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Last modified May 2 18:24 EDT 2024. Contains 372203 sequences. (Running on oeis4.)