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.

A118835 Numerators of n-th convergent to continued fraction with semiprime terms.

Table of values

n a(n)
1 4
2 25
3 229
4 2315
5 32639
6 491900
7 10362539
8 228467758
9 5722056489
10 149001936472
11 4922785960065
12 167523724578682
13 5868253146213935
14 223161143280708212
15 8709152841093834203
16 400844191833597081550
17 19650074552687350830153
18 1002554646378888489419353
19 55160155625391554268894568

List of values

[4, 25, 229, 2315, 32639, 491900, 10362539, 228467758, 5722056489, 149001936472, 4922785960065, 167523724578682, 5868253146213935, 223161143280708212, 8709152841093834203, 400844191833597081550, 19650074552687350830153, 1002554646378888489419353, 55160155625391554268894568]