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.

A225863 Primes for which both sum and product of digits are nonprimes.

Table of values

n a(n)
1 19
2 37
3 53
4 59
5 73
6 79
7 97
8 103
9 107
10 109
11 127
12 149
13 163
14 167
15 181
16 233
17 239
18 251
19 257
20 271
21 277
22 293
23 307
24 347
25 349
26 367
27 383
28 389
29 419
30 431
31 433
32 439
33 457
34 479
35 491
36 499
37 503
38 509
39 521
40 523
41 541
42 547
43 563
44 569
45 587
46 613
47 617
48 619
49 631
50 653
51 659
52 673

List of values

[19, 37, 53, 59, 73, 79, 97, 103, 107, 109, 127, 149, 163, 167, 181, 233, 239, 251, 257, 271, 277, 293, 307, 347, 349, 367, 383, 389, 419, 431, 433, 439, 457, 479, 491, 499, 503, 509, 521, 523, 541, 547, 563, 569, 587, 613, 617, 619, 631, 653, 659, 673]