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A042047 as a simple table

n a(n)
0 1
1 2
2 3
3 5
4 13
5 18
6 49
7 67
8 518
9 7837
10 16192
11 104989
12 541137
13 12551140
14 63296837
15 392332162
16 847961161
17 13111749577
18 92630208200
19 105741957777
20 304114123754
21 409856081531
22 1123826286816
23 1533682368347
24 2657508655163
25 6848699678673
26 317697693874121

[1,2,3,5,13,18,49,67,518,7837,16192,104989,541137,
 12551140,63296837,392332162,847961161,13111749577,
 92630208200,105741957777,304114123754,
 409856081531,1123826286816,1533682368347,
 2657508655163,6848699678673,317697693874121]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)