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A072520 as a simple table

n a(n)
1 7
2 7
3 8
4 9
5 10
6 11
7 31
8 32
9 76
10 77
11 78
12 79
13 525
14 1416
15 1417
16 1863
17 1864
18 6004
19 6005
20 6006
21 6007
22 6008
23 6009
24 70009
25 70010
26 70011
27 3853341
28 8668488
29 11420001
30 13139697
31 14515454
32 15203333
33 15547273
34 15891213
35 15891214
36 15891215
37 15891216
38 63908693
39 63908694
40 239743481

[7,7,8,9,10,11,31,32,76,77,78,79,525,1416,1417,
 1863,1864,6004,6005,6006,6007,6008,6009,70009,
 70010,70011,3853341,8668488,11420001,13139697,
 14515454,15203333,15547273,15891213,15891214,
 15891215,15891216,63908693,63908694,239743481]

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Last modified September 27 17:55 EDT 2020. Contains 337383 sequences. (Running on oeis4.)