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A175529 as a simple table

n a(n)
0 1
1 2
2 27
3 252
4 508
5 1037
6 2126
7 4335
8 8691
9 17527
10 35216
11 70560
12 141316
13 282692
14 565716
15 1132725
16 2266950
17 4534986
18 9071886
19 18144030
20 36291630
21 72592255
22 145199696
23 290402196
24 580831960
25 1161690161
26 2323409217
27 4646842021
28 9293718245
29 18587449461
30 37174954357
31 74350264838

[1,2,27,252,508,1037,2126,4335,8691,17527,35216,
 70560,141316,282692,565716,1132725,2266950,
 4534986,9071886,18144030,36291630,72592255,
 145199696,290402196,580831960,1161690161,
 2323409217,4646842021,9293718245,18587449461,
 37174954357,74350264838]

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Last modified August 12 04:07 EDT 2024. Contains 375085 sequences. (Running on oeis4.)