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A053781 as a simple table

n a(n)
1 1
2 2
3 3
4 7
5 11
6 71
7 107
8 115
9 139
10 155
11 681
12 1671
13 4876
14 21464
15 30046
16 311271
17 788749
18 10893662
19 20743270
20 134568163
21 163879554
22 920161004
23 6364787032
24 21400458779
25 47934932406
26 56133884369
27 288050185452
28 536023681676
29 1484061538595

[1,2,3,7,11,71,107,115,139,155,681,1671,4876,
 21464,30046,311271,788749,10893662,20743270,
 134568163,163879554,920161004,6364787032,
 21400458779,47934932406,56133884369,288050185452,
 536023681676,1484061538595]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)