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.

A344064 Expansion of Product_{k>=1} (1 + 5^(k-1)*x^k).

Table of values

n a(n)
0 1
1 1
2 5
3 30
4 150
5 875
6 4500
7 25625
8 131250
9 750000
10 3843750
11 21562500
12 112109375
13 621093750
14 3222656250
15 17880859375
16 92578125000
17 508300781250
18 2658691406250
19 14465332031250
20 75439453125000
21 411254882812500
22 2142486572265625
23 11590576171875000
24 60722351074218750
25 326728820800781250

List of values

[1, 1, 5, 30, 150, 875, 4500, 25625, 131250, 750000, 3843750, 21562500, 112109375, 621093750, 3222656250, 17880859375, 92578125000, 508300781250, 2658691406250, 14465332031250, 75439453125000, 411254882812500, 2142486572265625, 11590576171875000, 60722351074218750, 326728820800781250]