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.

A382984 Coefficient of x^3 in expansion of (x+1) * (x+4) * ... * (x+3*n-2).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 22
5 445
6 9605
7 227969
8 5974388
9 172323696
10 5441287980
11 187011672276
12 6957458412520
13 278765196526024
14 11973706678705408
15 549052544309039744
16 26777325537157361024
17 1384271732837081576576
18 75622395021091990225152
19 4353640204459556218940160

List of values

[0, 0, 0, 1, 22, 445, 9605, 227969, 5974388, 172323696, 5441287980, 187011672276, 6957458412520, 278765196526024, 11973706678705408, 549052544309039744, 26777325537157361024, 1384271732837081576576, 75622395021091990225152, 4353640204459556218940160]

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

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