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.

A382934 a(n) = Sum_{k=0..n} binomial(n,k) * binomial(n+k,k) * binomial(n+2*k,k) * 2^(n-k).

Table of values

n a(n)
0 1
1 8
2 142
3 3188
4 79306
5 2091128
6 57251944
7 1609275536
8 46123258714
9 1341870616928
10 39505611952852
11 1174352843125976
12 35189447673190864
13 1061579548438995776
14 32210037668484980992
15 982173609216589910528
16 30079350892561552670554
17 924711257106480733093616
18 28524228913983070512002044

List of values

[1, 8, 142, 3188, 79306, 2091128, 57251944, 1609275536, 46123258714, 1341870616928, 39505611952852, 1174352843125976, 35189447673190864, 1061579548438995776, 32210037668484980992, 982173609216589910528, 30079350892561552670554, 924711257106480733093616, 28524228913983070512002044]