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.

A354659 A diagonal of triangle A354650: a(n) = A354650(n,n+1), for n >= 0.

Table of values

n a(n)
0 1
1 3
2 30
3 390
4 5928
5 98910
6 1757688
7 32683680
8 628884300
9 12428334215
10 250940544738
11 5156722096422
12 107538413657010
13 2270751678647100
14 48464836803383400
15 1044050265679857144
16 22675350105240015204
17 496034970650911331550
18 10920742396832034391590

List of values

[1, 3, 30, 390, 5928, 98910, 1757688, 32683680, 628884300, 12428334215, 250940544738, 5156722096422, 107538413657010, 2270751678647100, 48464836803383400, 1044050265679857144, 22675350105240015204, 496034970650911331550, 10920742396832034391590]

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

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