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.

A344366 Integers k such that the sum of squares of digits of both k and k-1 are prime.

Table of values

n a(n)
1 12
2 102
3 111
4 120
5 160
6 230
7 250
8 380
9 410
10 450
11 520
12 560
13 720
14 780
15 830
16 870
17 1002
18 1011
19 1020
20 1060
21 1100
22 1101
23 1110
24 1370
25 1640
26 1680
27 1910
28 1950
29 1970
30 1990
31 2030
32 2050
33 2340
34 2670
35 2920
36 3080
37 3170
38 3240
39 3420
40 3460
41 3550
42 3570
43 3710
44 3840
45 3860
46 4010

List of values

[12, 102, 111, 120, 160, 230, 250, 380, 410, 450, 520, 560, 720, 780, 830, 870, 1002, 1011, 1020, 1060, 1100, 1101, 1110, 1370, 1640, 1680, 1910, 1950, 1970, 1990, 2030, 2050, 2340, 2670, 2920, 3080, 3170, 3240, 3420, 3460, 3550, 3570, 3710, 3840, 3860, 4010]