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A223007 as a simple table

n a(n)
1 1
2 7
3 24
4 169
5 557
6 4108
7 14040
8 104533
9 365722
10 2734747
11 9710957
12 72847186
13 261226274
14 1964845906
15 7094565566
16 53482760485
17 194106792191
18 1466023062226
19 5342045681862
20 40409217721285
21 147724548119380
22 1118883744204523 

[1,7,24,169,557,4108,14040,104533,365722,2734747,
 9710957,72847186,261226274,1964845906,7094565566,
 53482760485,194106792191,1466023062226,
 5342045681862,40409217721285,147724548119380,
 1118883744204523]

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Last modified May 30 03:30 EDT 2024. Contains 372957 sequences. (Running on oeis4.)