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.

A349603 a(n) = Sum_{k=0..n} binomial(n,k) * A000108(k) * k^(n-k).

Table of values

n a(n)
0 1
1 1
2 4
3 20
4 126
5 937
6 7938
7 74909
8 775022
9 8688827
10 104608026
11 1342844846
12 18273663268
13 262347913479
14 3957524475778
15 62511713866200
16 1030842278673510
17 17700339693712731
18 315740112103311666
19 5839137279831300536
20 111749137533005481700
21 2209538389126578658875

List of values

[1, 1, 4, 20, 126, 937, 7938, 74909, 775022, 8688827, 104608026, 1342844846, 18273663268, 262347913479, 3957524475778, 62511713866200, 1030842278673510, 17700339693712731, 315740112103311666, 5839137279831300536, 111749137533005481700, 2209538389126578658875]

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

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