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A053960 as a simple table

n a(n)
1 2
2 3
3 7
4 8
5 212
6 264
7 2236
8 3114
9 3157
10 31614
11 68187
12 254842
13 80434114
14 263527313
15 3073591864
16 6670791907
17 21134016762
18 21610059386
19 97312381892
20 22237232291063
21 999997323321167445187
22 22236561446627600040614
23 9718263579193026119075264 

[2,3,7,8,212,264,2236,3114,3157,31614,68187,
 254842,80434114,263527313,3073591864,6670791907,
 21134016762,21610059386,97312381892,
 22237232291063,999997323321167445187,
 22236561446627600040614,9718263579193026119075264]

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Last modified May 4 07:22 EDT 2024. Contains 372230 sequences. (Running on oeis4.)