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.

A300386 The number of paths of length 7*n from the origin to the line y = 2*x/5 with unit East and North steps that stay below the line or touch it.

Table of values

n a(n)
0 1
1 3
2 76
3 2803
4 121637
5 5782513
6 291437249
7 15297882929
8 827402061954
9 45790180469312
10 2580588279994441
11 147592910517101281
12 8544927937132306600
13 499811636639428519226
14 29491983283370728013309
15 1753398440591481772556798
16 104933899400256659634374549
17 6316334518803437568442071134

List of values

[1, 3, 76, 2803, 121637, 5782513, 291437249, 15297882929, 827402061954, 45790180469312, 2580588279994441, 147592910517101281, 8544927937132306600, 499811636639428519226, 29491983283370728013309, 1753398440591481772556798, 104933899400256659634374549, 6316334518803437568442071134]

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

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