cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A351720 Numbers k such that k and k + 1 are both lazy-Lucas-Niven numbers (A351719).

Table of values

n a(n)
1 1
2 175
3 216
4 399
5 656
6 729
7 737
8 759
9 1000
10 1991
11 2716
12 2820
13 2925
14 3970
15 4068
16 4224
17 4499
18 4641
19 5316
20 5819
21 6565
22 6720
23 6902
24 7890
25 9840
26 10751
27 11843
28 12194
29 12614
30 13034
31 13272
32 14909
33 15483
34 15495
35 16029
36 17234
37 17444
38 17731
39 18074
40 18885
41 19305
42 19669
43 20188

List of values

[1, 175, 216, 399, 656, 729, 737, 759, 1000, 1991, 2716, 2820, 2925, 3970, 4068, 4224, 4499, 4641, 5316, 5819, 6565, 6720, 6902, 7890, 9840, 10751, 11843, 12194, 12614, 13034, 13272, 14909, 15483, 15495, 16029, 17234, 17444, 17731, 18074, 18885, 19305, 19669, 20188]