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.

A204249 Permanent of the n-th principal submatrix of A003057.

Table of values

n a(n)
0 1
1 2
2 17
3 336
4 12052
5 685080
6 56658660
7 6428352000
8 958532774976
9 181800011433600
10 42745508545320000
11 12203347213269273600
12 4158410247782904833280
13 1667267950805177583582720
14 776990110000329481864608000
15 416483579190482716042690560000

List of values

[1, 2, 17, 336, 12052, 685080, 56658660, 6428352000, 958532774976, 181800011433600, 42745508545320000, 12203347213269273600, 4158410247782904833280, 1667267950805177583582720, 776990110000329481864608000, 416483579190482716042690560000]