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A231910 as a simple table

n a(n)
1 9
2 74
3 1740
4 31167
5 614818
6 11900005
7 232002949
8 4514456816
9 87921502956
10 1712027812433
11 33339878588595
12 649247937999815
13 12643318523771247
14 246213016602719670
15 4794699013265077280
16 93370921217915873674 

[9,74,1740,31167,614818,11900005,232002949,
 4514456816,87921502956,1712027812433,
 33339878588595,649247937999815,12643318523771247,
 246213016602719670,4794699013265077280,
 93370921217915873674]

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Last modified May 13 11:43 EDT 2024. Contains 372504 sequences. (Running on oeis4.)