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.

A322628 Number of n-digit decimal numbers containing a fixed 2-digit integer with distinct digits as a substring.

Table of values

n a(n)
0 0
1 0
2 1
3 19
4 279
5 3671
6 45431
7 540639
8 6260959
9 71068951
10 794428551
11 8773216559
12 95937737039
13 1040604153831
14 11210103801271
15 120060433858879
16 1279394234787519
17 13573881914016311
18 143459424905375591
19 1511020367139739599
20 15866744246492020399

List of values

[0, 0, 1, 19, 279, 3671, 45431, 540639, 6260959, 71068951, 794428551, 8773216559, 95937737039, 1040604153831, 11210103801271, 120060433858879, 1279394234787519, 13573881914016311, 143459424905375591, 1511020367139739599, 15866744246492020399]

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

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