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.

A047683 a(n) = 5^(2*n)*(5^(2*n)-1)*Bernoulli(2*n)/(2*n).

Table of values

n a(n)
1 50
2 -3250
3 968750
4 -635781250
5 722480468750
6 -1257228613281250
7 3104408581542968750
8 -10320446545227050781250
9 44440884525382995605468750
10 -240617847532228950500488281250
11 1599915691073966364860534667968750
12 -12816452064605408400845527648925781250

List of values

[50, -3250, 968750, -635781250, 722480468750, -1257228613281250, 3104408581542968750, -10320446545227050781250, 44440884525382995605468750, -240617847532228950500488281250, 1599915691073966364860534667968750, -12816452064605408400845527648925781250]