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.

A177257 a(n) = Sum_{j=0..n-1} (binomial(n,j) - (j+1))*A000110(j).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 8
5 47
6 258
7 1426
8 8154
9 48715
10 305012
11 2001719
12 13754692
13 98801976
14 740584196
15 5782218745
16 46942426080
17 395607218279
18 3455493024350
19 31236784338746
20 291836182128670
21 2814329123555051
22 27980637362452980

List of values

[0, 0, 0, 1, 8, 47, 258, 1426, 8154, 48715, 305012, 2001719, 13754692, 98801976, 740584196, 5782218745, 46942426080, 395607218279, 3455493024350, 31236784338746, 291836182128670, 2814329123555051, 27980637362452980]

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

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