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.

A180591 G.f.: A(x) = exp( Sum_{n>=1} 2^[A001511(n)^2]*x^n/n ) where A001511(n) is the exponent in the highest power of 2 that divides 2n.

Table of values

n a(n)
0 1
1 2
2 10
3 18
4 178
5 338
6 1450
7 2562
8 23234
9 43906
10 186602
11 329298
12 2276914
13 4224530
14 16898506
15 29572482
16 191488770
17 353405058
18 1394069578
19 2434734098
20 14073489714
21 25712245330
22 97969052778
23 170225860226
24 938475356354

List of values

[1, 2, 10, 18, 178, 338, 1450, 2562, 23234, 43906, 186602, 329298, 2276914, 4224530, 16898506, 29572482, 191488770, 353405058, 1394069578, 2434734098, 14073489714, 25712245330, 97969052778, 170225860226, 938475356354]