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A031138 as a simple table

n a(n)
1 1
2 13
3 133
4 1321
5 13081
6 129493
7 1281853
8 12689041
9 125608561
10 1243396573
11 12308357173
12 121840175161
13 1206093394441
14 11939093769253
15 118184844298093
16 1169909349211681
17 11580908647818721
18 114639177128975533
19 1134810862641936613
20 11233469449290390601

[1,13,133,1321,13081,129493,1281853,12689041,
 125608561,1243396573,12308357173,121840175161,
 1206093394441,11939093769253,118184844298093,
 1169909349211681,11580908647818721,
 114639177128975533,1134810862641936613,
 11233469449290390601]

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Last modified April 25 11:21 EDT 2024. Contains 371967 sequences. (Running on oeis4.)