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.

A136675 Numerator of Sum_{k=1..n} (-1)^(k+1)/k^3.

Table of values

n a(n)
1 1
2 7
3 197
4 1549
5 195353
6 194353
7 66879079
8 533875007
9 14436577189
10 14420574181
11 19209787242911
12 19197460851911
13 42198121495296467
14 6025866788581781
15 6027847576222613
16 48209723660000029
17 236907853607882606477

List of values

[1, 7, 197, 1549, 195353, 194353, 66879079, 533875007, 14436577189, 14420574181, 19209787242911, 19197460851911, 42198121495296467, 6025866788581781, 6027847576222613, 48209723660000029, 236907853607882606477]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.