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.

A367247 a(n) is the number of n-digit numbers whose difference between the largest and smallest digits is equal to 6.

Table of values

n a(n)
1 0
2 7
3 131
4 1609
5 16415
6 150817
7 1296191
8 10641169
9 84520175
10 654958177
11 4980233951
12 37312922929
13 276288797135
14 2026564724737
15 14750977566911
16 106695818055889
17 767748717541295
18 5500729672814497
19 39270143125479071
20 279511731951144049
21 1984459091985376655
22 14059238393314971457

List of values

[0, 7, 131, 1609, 16415, 150817, 1296191, 10641169, 84520175, 654958177, 4980233951, 37312922929, 276288797135, 2026564724737, 14750977566911, 106695818055889, 767748717541295, 5500729672814497, 39270143125479071, 279511731951144049, 1984459091985376655, 14059238393314971457]

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

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