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.

A383701 Coefficient of x^3 in expansion of (x+1) * (x+5) * ... * (x+4*n-3).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 28
5 730
6 20460
7 633619
8 21740040
9 823020596
10 34174098440
11 1546855384261
12 75883563554436
13 4013184755214414
14 227719025845257492
15 13804358188086757719
16 890571834923460488784
17 60933371174617735181160
18 4407783770975985847999440
19 336154167664942342604334345

List of values

[0, 0, 0, 1, 28, 730, 20460, 633619, 21740040, 823020596, 34174098440, 1546855384261, 75883563554436, 4013184755214414, 227719025845257492, 13804358188086757719, 890571834923460488784, 60933371174617735181160, 4407783770975985847999440, 336154167664942342604334345]

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

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