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.

A218273 Square triangular numbers that can be expressed as sums of a positive square number and a positive triangular number. Intersection of A182427 and A214937.

Table of values

n a(n)
1 1225
2 1413721
3 48024900
4 1631432881
5 1882672131025
6 63955431761796
7 2172602007770041
8 73804512832419600
9 85170343853180456676
10 2893284510173841030625
11 98286503002057414584576
12 3338847817559778254844961
13 113422539294030403250144100

List of values

[1225, 1413721, 48024900, 1631432881, 1882672131025, 63955431761796, 2172602007770041, 73804512832419600, 85170343853180456676, 2893284510173841030625, 98286503002057414584576, 3338847817559778254844961, 113422539294030403250144100]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.