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.

A383703 Coefficient of x^3 in expansion of (x+3) * (x+7) * ... * (x+4*n-1).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 36
5 1130
6 36660
7 1280419
8 48644344
9 2011398164
10 90267003960
11 4379275249701
12 228707424551100
13 12804721289403966
14 765571832220427596
15 48704512002823186119
16 3286171504510664002992
17 234445313277315235203624
18 17637135196532479070107824
19 1395584859384468591633567945

List of values

[0, 0, 0, 1, 36, 1130, 36660, 1280419, 48644344, 2011398164, 90267003960, 4379275249701, 228707424551100, 12804721289403966, 765571832220427596, 48704512002823186119, 3286171504510664002992, 234445313277315235203624, 17637135196532479070107824, 1395584859384468591633567945]

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

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