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.

A117582 The number of ratios t/(t-1), where t is a square number, which factor into primes less than or equal to prime(n).

Table of values

n a(n)
1 0
2 2
3 5
4 10
5 15
6 24
7 34
8 46
9 57
10 74
11 90
12 114
13 141
14 174
15 208
16 244
17 287
18 334
19 387

List of values

[0, 2, 5, 10, 15, 24, 34, 46, 57, 74, 90, 114, 141, 174, 208, 244, 287, 334, 387]