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.

A061213 a(n) = 1 + product of first n positive triangular numbers (A000217).

Table of values

n a(n)
1 2
2 4
3 19
4 181
5 2701
6 56701
7 1587601
8 57153601
9 2571912001
10 141455160001
11 9336040560001
12 728211163680001
13 66267215894880001
14 6958057668962400001
15 834966920275488000001
16 113555501157466368000001

List of values

[2, 4, 19, 181, 2701, 56701, 1587601, 57153601, 2571912001, 141455160001, 9336040560001, 728211163680001, 66267215894880001, 6958057668962400001, 834966920275488000001, 113555501157466368000001]

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

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