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.

A038559 a(n) = 2*A040027(n-1) + Bell(n), where Bell = A000110.

Table of values

n a(n)
0 1
1 3
2 4
3 11
4 33
5 114
6 445
7 1923
8 9078
9 46369
10 254297
11 1487896
12 9239135
13 60615819
14 418583924
15 3032405831
16 22979752405
17 181697363626
18 1495586215841
19 12789423056183
20 113415288869750
21 1041244540823413
22 9881851825756365
23 96811870321650792
24 977851660102425867

List of values

[1, 3, 4, 11, 33, 114, 445, 1923, 9078, 46369, 254297, 1487896, 9239135, 60615819, 418583924, 3032405831, 22979752405, 181697363626, 1495586215841, 12789423056183, 113415288869750, 1041244540823413, 9881851825756365, 96811870321650792, 977851660102425867]

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

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