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A207510 as a simple table

n a(n)
1 9
2 81
3 166
4 438
5 1042
6 1992
7 4168
8 8174
9 15881
10 30801
11 58335
12 111083
13 209072
14 391336
15 731541
16 1358864
17 2519079
18 4655423
19 8579122
20 15779179
21 28954160
22 53037211
23 96982948
24 177063128
25 322816525
26 587759306
27 1068885187
28 1941639552
29 3523372673

[9,81,166,438,1042,1992,4168,8174,15881,30801,
 58335,111083,209072,391336,731541,1358864,2519079,
 4655423,8579122,15779179,28954160,53037211,
 96982948,177063128,322816525,587759306,1068885187,
 1941639552,3523372673]

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Last modified May 23 09:46 EDT 2022. Contains 353975 sequences. (Running on oeis4.)