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.

A059989 Numbers n such that 3*n+1 and 4*n+1 are both squares.

Table of values

n a(n)
1 0
2 56
3 10920
4 2118480
5 410974256
6 79726887240
7 15466605150360
8 3000441672282656
9 582070217817684960
10 112918621814958599640
11 21905630561884150645256
12 4249579410383710266580080
13 824396499983877907565890320
14 159928671417461930357516142056

List of values

[0, 56, 10920, 2118480, 410974256, 79726887240, 15466605150360, 3000441672282656, 582070217817684960, 112918621814958599640, 21905630561884150645256, 4249579410383710266580080, 824396499983877907565890320, 159928671417461930357516142056]