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.

A316702 E.g.f.: Sum_{n>=0} x^n/n! * Product_{k=1..n} (n+1-k) + k*x^2.

Table of values

n a(n)
0 1
1 1
2 2
3 12
4 84
5 640
6 6060
7 70728
8 941808
9 13950144
10 230971680
11 4242680640
12 85192002720
13 1854377366400
14 43570277097984
15 1099505252240640
16 29642211339068160
17 850166713775554560
18 25852506567901839360
19 830856828456304128000
20 28137892587325700198400
21 1001532282143426144133120
22 37379628178079964459217920
23 1459734364264707546159513600

List of values

[1, 1, 2, 12, 84, 640, 6060, 70728, 941808, 13950144, 230971680, 4242680640, 85192002720, 1854377366400, 43570277097984, 1099505252240640, 29642211339068160, 850166713775554560, 25852506567901839360, 830856828456304128000, 28137892587325700198400, 1001532282143426144133120, 37379628178079964459217920, 1459734364264707546159513600]

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

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