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.

A255200 Numbers n such that triangular numbers T(n), T(n+1) and T(n+2) are 3-almost primes.

Table of values

n a(n)
1 17
2 28
3 41
4 281
5 2081
6 2801
7 4721
8 5441
9 6196
10 12161
11 12916
12 13996
13 20476
14 24916
15 32321
16 32441
17 34156
18 34961
19 40036
20 56596
21 70996
22 73361
23 94396

List of values

[17, 28, 41, 281, 2081, 2801, 4721, 5441, 6196, 12161, 12916, 13996, 20476, 24916, 32321, 32441, 34156, 34961, 40036, 56596, 70996, 73361, 94396]