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.

A383198 Number of positive integers with n digits in which adjacent digits differ by at most 3.

Table of values

n a(n)
1 9
2 54
3 328
4 2000
5 12202
6 74458
7 454366
8 2772710
9 16920138
10 103253214
11 630091042
12 3845059318
13 23464039746
14 143186649814
15 873780342786
16 5332145758694
17 32538816680050
18 198564450196598
19 1211717109125762
20 7394366670845606
21 45123286657530514
22 275359755529253142

List of values

[9, 54, 328, 2000, 12202, 74458, 454366, 2772710, 16920138, 103253214, 630091042, 3845059318, 23464039746, 143186649814, 873780342786, 5332145758694, 32538816680050, 198564450196598, 1211717109125762, 7394366670845606, 45123286657530514, 275359755529253142]

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

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