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.

A145660 a(n) = numerator of polynomial of genus 1 and level n for m = 4 = A[1,n](4).

Table of values

n a(n)
1 0
2 4
3 18
4 220
5 883
6 17672
7 23566
8 659868
9 5278979
10 95021762
11 380087174
12 16723836916
13 66895348819
14 3478558152448
15 13914232622662
16 11131386100532
17 178102177617521
18 3027737019533893
19 4036982692723202
20 306810684647167556

List of values

[0, 4, 18, 220, 883, 17672, 23566, 659868, 5278979, 95021762, 380087174, 16723836916, 66895348819, 3478558152448, 13914232622662, 11131386100532, 178102177617521, 3027737019533893, 4036982692723202, 306810684647167556]