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.

A215944 Fermat pseudoprimes to base 2 with three prime factors divisible by a smaller Fermat pseudoprime to base 2.

Table of values

n a(n)
1 13981
2 137149
3 158369
4 176149
5 276013
6 285541
7 294409
8 348161
9 387731
10 423793
11 488881
12 493697
13 617093
14 625921
15 847261
16 1052503
17 1052929
18 1104349
19 1128121
20 1152271
21 1398101
22 1461241
23 1472353
24 1507561
25 1534541
26 1549411
27 1746289
28 1840357
29 1857241
30 2299081

List of values

[13981, 137149, 158369, 176149, 276013, 285541, 294409, 348161, 387731, 423793, 488881, 493697, 617093, 625921, 847261, 1052503, 1052929, 1104349, 1128121, 1152271, 1398101, 1461241, 1472353, 1507561, 1534541, 1549411, 1746289, 1840357, 1857241, 2299081]