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A305560 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 39
5 176
6 893
7 4985
8 30229
9 197452
10 1379655
11 10250087
12 80558195
13 666916238
14 5795111845
15 52691973136
16 499969246647
17 4938724595994
18 50679201983653
19 539209298355565
20 5938139329609621
21 67582179415195986
22 793755139140445707
23 9608367683839952732
24 119730171975510540577

[1,1,3,10,39,176,893,4985,30229,197452,1379655,
 10250087,80558195,666916238,5795111845,
 52691973136,499969246647,4938724595994,
 50679201983653,539209298355565,5938139329609621,
 67582179415195986,793755139140445707,
 9608367683839952732,119730171975510540577]

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Last modified August 17 11:51 EDT 2019. Contains 326057 sequences. (Running on oeis4.)