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.

A350120 a(n) is the least integer k such that A350090(k) = 2*n-1 or -1 if no such k exists.

Table of values

n a(n)
1 1
2 5
3 22
4 33
5 5951
6 124
7 90088
8 187
9 757
10 1149
11 237152823
12 852
13 30744479715
14 207737
15 15555
16 876
17 40828735337636
18 1541
19 2932093694892923
20 8454
21 3557030
22 802103321
23 1895798161468690610

List of values

[1, 5, 22, 33, 5951, 124, 90088, 187, 757, 1149, 237152823, 852, 30744479715, 207737, 15555, 876, 40828735337636, 1541, 2932093694892923, 8454, 3557030, 802103321, 1895798161468690610]