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.

A199983 Primes whose multiplicative digital root is 4.

Table of values

n a(n)
1 41
2 89
3 127
4 139
5 193
6 271
7 277
8 379
9 383
10 397
11 463
12 643
13 677
14 727
15 739
16 937
17 1193
18 1217
19 1249
20 1277
21 1319
22 1429
23 1721
24 1913
25 1931
26 1973
27 2377
28 2711
29 3119
30 3191
31 3313
32 3331
33 3373
34 3461
35 3719
36 3727
37 3733
38 3911
39 3917
40 4111
41 4129
42 4219
43 6143
44 7121
45 7127
46 7193

List of values

[41, 89, 127, 139, 193, 271, 277, 379, 383, 397, 463, 643, 677, 727, 739, 937, 1193, 1217, 1249, 1277, 1319, 1429, 1721, 1913, 1931, 1973, 2377, 2711, 3119, 3191, 3313, 3331, 3373, 3461, 3719, 3727, 3733, 3911, 3917, 4111, 4129, 4219, 6143, 7121, 7127, 7193]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.