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A030945 as a simple table

n a(n)
1 1
2 2
3 7
4 31
5 157
6 945
7 6620
8 52962
9 476658
10 4766581
11 52432391
12 629188699
13 8179453089
14 114512343252
15 1717685148793
16 27482962380696
17 467210360471843
18 8409786488493177
19 159785943281370370
20 3195718865627407416

[1,2,7,31,157,945,6620,52962,476658,4766581,
 52432391,629188699,8179453089,114512343252,
 1717685148793,27482962380696,467210360471843,
 8409786488493177,159785943281370370,
 3195718865627407416]

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