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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.

A232969 The sequence S(n,n) that enumerates a certain class of lattice paths from (0,0) to (n,n).

Table of values

n a(n)
0 1
1 6
2 60
3 675
4 7992
5 97416
6 1209951
7 15227190
8 193507056
9 2477564820
10 31910429520
11 412987306320
12 5366341375695
13 69965422235442
14 914825583252396
15 11991475839917115
16 157524763370404320
17 2073261181622482080
18 27333449595845251524
19 360903785815145617992

List of values

[1, 6, 60, 675, 7992, 97416, 1209951, 15227190, 193507056, 2477564820, 31910429520, 412987306320, 5366341375695, 69965422235442, 914825583252396, 11991475839917115, 157524763370404320, 2073261181622482080, 27333449595845251524, 360903785815145617992]

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

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