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.

A000535 Card matching: coefficients B[n,2] of t^2 in the reduced hit polynomial A[n,n,n](t).

Table of values

n a(n)
1 0
2 27
3 378
4 4536
5 48600
6 489780
7 4738104
8 44535456
9 409752432
10 3708359550
11 33125746500
12 292779558720
13 2565087894720
14 22307854940280
15 192788833482000
16 1657111548654720
17 14176605442521312
18 120779466450505758
19 1025230099571720676
20 8674221270307971600

List of values

[0, 27, 378, 4536, 48600, 489780, 4738104, 44535456, 409752432, 3708359550, 33125746500, 292779558720, 2565087894720, 22307854940280, 192788833482000, 1657111548654720, 14176605442521312, 120779466450505758, 1025230099571720676, 8674221270307971600]

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

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