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.

A328735 Constant term in the expansion of (x + y + z + 1/x + 1/y + 1/z + x*y + y*z + z*x + 1/(x*y) + 1/(y*z) + 1/(z*x) + x*y*z + 1/(x*y*z))^n.

Table of values

n a(n)
0 1
1 0
2 14
3 72
4 882
5 8400
6 95180
7 1060080
8 12389650
9 146472480
10 1767391164
11 21581516880
12 266718438756
13 3327025429728
14 41849031952728
15 530135326392672
16 6757845419895570
17 86619827323917888
18 1115719258312182524
19 14434274832755201424
20 187477238295444829732

List of values

[1, 0, 14, 72, 882, 8400, 95180, 1060080, 12389650, 146472480, 1767391164, 21581516880, 266718438756, 3327025429728, 41849031952728, 530135326392672, 6757845419895570, 86619827323917888, 1115719258312182524, 14434274832755201424, 187477238295444829732]