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.

A268260 Number of length-(n+1) 0..7 arrays with new repeated values introduced in sequential order starting with zero.

Table of values

n a(n)
1 57
2 407
3 2907
4 20771
5 148468
6 1061632
7 7594224
8 54345509
9 389060724
10 2786424182
11 19964380499
12 143102062257
13 1026171833136
14 7361751375225
15 52836226761762
16 379380311345241
17 2725291071400498
18 19586141747713834
19 140826889434423348

List of values

[57, 407, 2907, 20771, 148468, 1061632, 7594224, 54345509, 389060724, 2786424182, 19964380499, 143102062257, 1026171833136, 7361751375225, 52836226761762, 379380311345241, 2725291071400498, 19586141747713834, 140826889434423348]