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.

A184175 Number of set partitions of {1,2,...,n} having no blocks of the form {i, i+1}.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 10
5 35
6 139
7 611
8 2925
9 15128
10 83903
11 495929
12 3108129
13 20565721
14 143134606
15 1044489265
16 7968879387
17 63407648443
18 525016067171
19 4514661402304
20 40245681692885
21 371319303282381
22 3540506731807277
23 34840411462506887
24 353394158240095874
25 3690577066014598575

List of values

[1, 1, 1, 3, 10, 35, 139, 611, 2925, 15128, 83903, 495929, 3108129, 20565721, 143134606, 1044489265, 7968879387, 63407648443, 525016067171, 4514661402304, 40245681692885, 371319303282381, 3540506731807277, 34840411462506887, 353394158240095874, 3690577066014598575]