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.

A268299 G.f. A(x) satisfies: -1 = Product_{n>=1} (1 - A(x)^n) * (1 - A(x)^n/x) * (1 - A(x)^(n-1)*x).

Table of values

n a(n)
1 2
2 7
3 84
4 1240
5 20942
6 382344
7 7354688
8 146810440
9 3012778758
10 63167322872
11 1347251937632
12 29138746861200
13 637584335364362
14 14088532800477752
15 313936020646727040
16 7046500093908958288
17 159171390375064583380
18 3615669944253537267048
19 82541551931101193203004
20 1892725670848222011475776
21 43575217427267416453289838
22 1006843304895182755611475824
23 23340548167572913996786290328

List of values

[2, 7, 84, 1240, 20942, 382344, 7354688, 146810440, 3012778758, 63167322872, 1347251937632, 29138746861200, 637584335364362, 14088532800477752, 313936020646727040, 7046500093908958288, 159171390375064583380, 3615669944253537267048, 82541551931101193203004, 1892725670848222011475776, 43575217427267416453289838, 1006843304895182755611475824, 23340548167572913996786290328]