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A278989 as a simple table

n a(n)
0 0
1 0
2 1
3 1
4 4
5 11
6 41
7 162
8 715
9 3425
10 16777
11 80928
12 379347
13 1726375
14 7654817
15 33219630
16 141692075
17 596122477
18 2480969257
19 10237751324
20 41963944275
21 171103765747
22 694775280993
23 2812004330666
24 11352134320523
25 45736973060601
26 183981143571721
27 739167464021912
28 2966826380664595
29 11899055223201855

[0,0,1,1,4,11,41,162,715,3425,16777,80928,379347,
 1726375,7654817,33219630,141692075,596122477,
 2480969257,10237751324,41963944275,171103765747,
 694775280993,2812004330666,11352134320523,
 45736973060601,183981143571721,739167464021912,
 2966826380664595,11899055223201855]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)