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.

A301310 G.f.: Sum_{n>=0} 2^n * (1+x)^(n^2) / 3^(n+1).

Table of values

n a(n)
0 1
1 10
2 360
3 21840
4 1857660
5 203258160
6 27188330400
7 4298562686880
8 784233322674120
9 162161079972261480
10 37477229047577953920
11 9573364920705562944000
12 2678416661190852872256960
13 814535089079749159186189440
14 267528376262254011309768677760
15 94377360018309519999410315205120
16 35590366640535756970223476489499280
17 14287353028920891078189826021459809120

List of values

[1, 10, 360, 21840, 1857660, 203258160, 27188330400, 4298562686880, 784233322674120, 162161079972261480, 37477229047577953920, 9573364920705562944000, 2678416661190852872256960, 814535089079749159186189440, 267528376262254011309768677760, 94377360018309519999410315205120, 35590366640535756970223476489499280, 14287353028920891078189826021459809120]