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.

A039835 Indices of triangular numbers which are also heptagonal.

Table of values

n a(n)
1 1
2 10
3 493
4 3382
5 158905
6 1089154
7 51167077
8 350704366
9 16475640049
10 112925716858
11 5305104928861
12 36361730124070
13 1708227311453353
14 11708364174233842
15 550043889183050965
16 3770056902373173214
17 177112424089630957537
18 1213946614199987541226

List of values

[1, 10, 493, 3382, 158905, 1089154, 51167077, 350704366, 16475640049, 112925716858, 5305104928861, 36361730124070, 1708227311453353, 11708364174233842, 550043889183050965, 3770056902373173214, 177112424089630957537, 1213946614199987541226]

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

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