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.

A238398 Numerators of inverse binomial transform of A198631(n)/A006519(n+1) with -1 instead of A198631(1)=1.

Table of values

n a(n)
0 1
1 -3
2 2
3 -11
4 4
5 -11
6 6
7 -39
8 8
9 -49
10 10
11 647
12 12
13 -5487
14 14
15 929329
16 16
17 -3202325
18 18
19 221930505
20 20
21 -4722116563
22 22
23 968383680643
24 24
25 -14717667114201
26 26
27 2093660879252563
28 28
29 -86125672563201239
30 30
31 129848163681107300961
32 32

List of values

[1, -3, 2, -11, 4, -11, 6, -39, 8, -49, 10, 647, 12, -5487, 14, 929329, 16, -3202325, 18, 221930505, 20, -4722116563, 22, 968383680643, 24, -14717667114201, 26, 2093660879252563, 28, -86125672563201239, 30, 129848163681107300961, 32]