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.

A370737 a(n) = 5^(2*n) * [x^n] Product_{k>=1} (1 + 2*x^k)^(1/5).

Table of values

n a(n)
0 1
1 10
2 50
3 14750
4 -166250
5 14011250
6 -133418750
7 18136968750
8 -620089531250
9 29520532031250
10 -917207280468750
11 51260806902343750
12 -2257145499863281250
13 101035630688769531250
14 -4434459153208496093750
15 214279556679692871093750
16 -9859289197933918457031250
17 454976266920750451660156250

List of values

[1, 10, 50, 14750, -166250, 14011250, -133418750, 18136968750, -620089531250, 29520532031250, -917207280468750, 51260806902343750, -2257145499863281250, 101035630688769531250, -4434459153208496093750, 214279556679692871093750, -9859289197933918457031250, 454976266920750451660156250]