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.

A007716 Number of polynomial symmetric functions of matrix of order n under separate row and column permutations.

Table of values

n a(n)
0 1
1 1
2 4
3 10
4 33
5 91
6 298
7 910
8 3017
9 9945
10 34207
11 119369
12 429250
13 1574224
14 5916148
15 22699830
16 89003059
17 356058540
18 1453080087
19 6044132794
20 25612598436
21 110503627621
22 485161348047
23 2166488899642
24 9835209912767
25 45370059225318
26 212582817739535
27 1011306624512711

List of values

[1, 1, 4, 10, 33, 91, 298, 910, 3017, 9945, 34207, 119369, 429250, 1574224, 5916148, 22699830, 89003059, 356058540, 1453080087, 6044132794, 25612598436, 110503627621, 485161348047, 2166488899642, 9835209912767, 45370059225318, 212582817739535, 1011306624512711]

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

Content is available under The OEIS End-User License Agreement.