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.

A046428 Numbers requiring 8 steps to reach a prime under the prime factor concatenation procedure.

Table of values

n a(n)
1 78
2 170
3 315
4 316
5 544
6 553
7 579
8 594
9 626
10 675
11 726
12 909
13 940
14 1056
15 1088
16 1090
17 1107
18 1118
19 1178
20 1210
21 1260
22 1349
23 1382
24 1482
25 1580
26 1585
27 1616
28 1617
29 1620
30 1645
31 1647
32 1746
33 1824
34 1872
35 2033
36 2145
37 2188
38 2195
39 2201
40 2211
41 2225
42 2250
43 2338
44 2349
45 2365
46 2378

List of values

[78, 170, 315, 316, 544, 553, 579, 594, 626, 675, 726, 909, 940, 1056, 1088, 1090, 1107, 1118, 1178, 1210, 1260, 1349, 1382, 1482, 1580, 1585, 1616, 1617, 1620, 1645, 1647, 1746, 1824, 1872, 2033, 2145, 2188, 2195, 2201, 2211, 2225, 2250, 2338, 2349, 2365, 2378]