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A249560 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 9
5 22
6 58
7 163
8 485
9 1519
10 4985
11 17077
12 60871
13 225152
14 862150
15 3410641
16 13913800
17 58440010
18 252348913
19 1118802690
20 5086910935
21 23693925911
22 112947299251
23 550527774738
24 2741489275969
25 13936841789100
26 72277551806634
27 382134348251357
28 2058420014680378

[1,1,2,4,9,22,58,163,485,1519,4985,17077,60871,
 225152,862150,3410641,13913800,58440010,252348913,
 1118802690,5086910935,23693925911,112947299251,
 550527774738,2741489275969,13936841789100,
 72277551806634,382134348251357,2058420014680378]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)