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.

A223458 Primes whose first digit is a composite number.

Table of values

n a(n)
1 41
2 43
3 47
4 61
5 67
6 83
7 89
8 97
9 401
10 409
11 419
12 421
13 431
14 433
15 439
16 443
17 449
18 457
19 461
20 463
21 467
22 479
23 487
24 491
25 499
26 601
27 607
28 613
29 617
30 619
31 631
32 641
33 643
34 647
35 653
36 659
37 661
38 673
39 677
40 683
41 691
42 809
43 811
44 821
45 823
46 827
47 829
48 839
49 853
50 857
51 859
52 863
53 877
54 881

List of values

[41, 43, 47, 61, 67, 83, 89, 97, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 601, 607, 613, 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881]