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.

A255373 Number of strings of n decimal digits that contain at least one string of exactly 3 consecutive "0" digits.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 18
5 261
6 3420
7 42291
8 503757
9 5845383
10 66525399
11 745904151
12 8264888316
13 90700808526
14 987461965116
15 10678505242392
16 114817381566435
17 1228431892382460
18 13086248073415290
19 138875261344657416
20 1468815363559657773
21 15488131104999233505

List of values

[0, 0, 0, 1, 18, 261, 3420, 42291, 503757, 5845383, 66525399, 745904151, 8264888316, 90700808526, 987461965116, 10678505242392, 114817381566435, 1228431892382460, 13086248073415290, 138875261344657416, 1468815363559657773, 15488131104999233505]

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

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