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.

A329077 Constant term in the expansion of ((Sum_{k=-3..3} x^k) * (Sum_{k=-3..3} y^k) - (Sum_{k=-2..2} x^k) * (Sum_{k=-2..2} y^k))^n.

Table of values

n a(n)
0 1
1 0
2 24
3 72
4 3336
5 34800
6 912840
7 15661520
8 355423880
9 7241240160
10 160151370624
11 3461028611040
12 76789098028104
13 1700195813892576
14 38037857914721808
15 853169553940415712
16 19240825799184080520
17 435267116844063531456
18 9882232970998312871232

List of values

[1, 0, 24, 72, 3336, 34800, 912840, 15661520, 355423880, 7241240160, 160151370624, 3461028611040, 76789098028104, 1700195813892576, 38037857914721808, 853169553940415712, 19240825799184080520, 435267116844063531456, 9882232970998312871232]