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A371771 as a simple table

n a(n)
0 1
1 3
2 21
3 166
4 1377
5 11748
6 102088
7 898677
8 7987305
9 71517307
10 644134026
11 5829345492
12 52964836184
13 482846377185
14 4414405051413
15 40458397722306
16 371605426607673
17 3419639400458316
18 31521758873514301
19 291000881055737811
20 2690082750919841442

[1,3,21,166,1377,11748,102088,898677,7987305,
 71517307,644134026,5829345492,52964836184,
 482846377185,4414405051413,40458397722306,
 371605426607673,3419639400458316,
 31521758873514301,291000881055737811,
 2690082750919841442]

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Last modified July 13 11:56 EDT 2024. Contains 374282 sequences. (Running on oeis4.)