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.

A278139 Primes, starting with a(1)=2, whose successive differences are increasing triangular numbers.

Table of values

n a(n)
1 2
2 3
3 13
4 41
5 107
6 227
7 503
8 881
9 1409
10 2039
11 2819
12 3947
13 5273
14 6869
15 8699
16 11549
17 15377
18 19937
19 24593
20 30809
21 38069
22 47939
23 58379
24 69257
25 82787
26 98897
27 115733
28 133499
29 152027
30 172127
31 192833
32 218711
33 247391
34 279269
35 315047
36 355517
37 399473
38 444623

List of values

[2, 3, 13, 41, 107, 227, 503, 881, 1409, 2039, 2819, 3947, 5273, 6869, 8699, 11549, 15377, 19937, 24593, 30809, 38069, 47939, 58379, 69257, 82787, 98897, 115733, 133499, 152027, 172127, 192833, 218711, 247391, 279269, 315047, 355517, 399473, 444623]