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.

A057960 Number of base-5 (n+1)-digit numbers starting with a zero and with adjacent digits differing by one or less.

Table of values

n a(n)
0 1
1 2
2 5
3 13
4 35
5 95
6 259
7 707
8 1931
9 5275
10 14411
11 39371
12 107563
13 293867
14 802859
15 2193451
16 5992619
17 16372139
18 44729515
19 122203307
20 333865643
21 912137899
22 2492007083
23 6808289963
24 18600594091
25 50817768107
26 138836724395
27 379308985003
28 1036291418795
29 2831200807595

List of values

[1, 2, 5, 13, 35, 95, 259, 707, 1931, 5275, 14411, 39371, 107563, 293867, 802859, 2193451, 5992619, 16372139, 44729515, 122203307, 333865643, 912137899, 2492007083, 6808289963, 18600594091, 50817768107, 138836724395, 379308985003, 1036291418795, 2831200807595]

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

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