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A230777 as a simple table

n a(n)
1 1
2 2
3 4
4 30
5 180
6 462
7 890
8 1532
9 3385
10 19871
11 29040
12 31545
13 597311
14 1293698
15 2279181
16 118374763
17 821495413
18 2247521689
19 3145845927
20 7650216016
21 22859974504
22 78076882908
23 189573830057
24 223393027147
25 435001965071
26 637259184969
27 821040118481
28 1562199136511

[1,2,4,30,180,462,890,1532,3385,19871,29040,31545,
 597311,1293698,2279181,118374763,821495413,
 2247521689,3145845927,7650216016,22859974504,
 78076882908,189573830057,223393027147,
 435001965071,637259184969,821040118481,
 1562199136511]

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Last modified August 9 16:51 EDT 2024. Contains 375044 sequences. (Running on oeis4.)