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.

A356286 a(n) = Sum_{k=0..n} binomial(3*k, k) * p(k), where p(k) is the partition function A000041.

Table of values

n a(n)
0 1
1 4
2 34
3 286
4 2761
5 23782
6 227986
7 1972186
8 18152548
9 158757298
10 1420647928
11 12258704248
12 108637887148
13 929002856992
14 8065133782792
15 68761800685576
16 589631899738033
17 4976639418495358
18 42293283621258283
19 354415428588891283
20 2982701933728936648
21 24857294772400460368

List of values

[1, 4, 34, 286, 2761, 23782, 227986, 1972186, 18152548, 158757298, 1420647928, 12258704248, 108637887148, 929002856992, 8065133782792, 68761800685576, 589631899738033, 4976639418495358, 42293283621258283, 354415428588891283, 2982701933728936648, 24857294772400460368]