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A190089 as a simple table

n a(n)
0 1
1 4
2 21
3 114
4 616
5 3329
6 17991
7 97229
8 525456
9 2839729
10 15346786
11 82938844
12 448227521
13 2422362079
14 13091204281
15 70748973084
16 382349636061
17 2066337330754
18 11167134898976
19 60350698792449
20 326154101090951
21 1762639037938629
22 9525854090667496
23 51480702630305689
24 278217860370802066

[1,4,21,114,616,3329,17991,97229,525456,2839729,
 15346786,82938844,448227521,2422362079,
 13091204281,70748973084,382349636061,
 2066337330754,11167134898976,60350698792449,
 326154101090951,1762639037938629,9525854090667496,
 51480702630305689,278217860370802066]

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Last modified June 6 07:14 EDT 2024. Contains 373115 sequences. (Running on oeis4.)