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.

A350653 a(n) is the number of weak compositions of n into n-1 parts in which at least one part is zero.

Table of values

n a(n)
2 0
3 2
4 12
5 52
6 205
7 786
8 2996
9 11432
10 43749
11 167950
12 646635
13 2496132
14 9657687
15 37442146
16 145422660
17 565722704
18 2203961413
19 8597496582
20 33578000591
21 131282408380
22 513791607399
23 2012616400058
24 7890371113927
25 30957699535752
26 121548660036275

List of values

[0, 2, 12, 52, 205, 786, 2996, 11432, 43749, 167950, 646635, 2496132, 9657687, 37442146, 145422660, 565722704, 2203961413, 8597496582, 33578000591, 131282408380, 513791607399, 2012616400058, 7890371113927, 30957699535752, 121548660036275]

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

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