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.

A008775 Expansion of e.g.f. 2/(1 + cos x * cosh x) in powers of x^4.

Table of values

n a(n)
0 1
1 2
2 272
3 261392
4 923578112
5 8687146706432
6 179207715900772352
7 7123449535546491471872
8 497301503279765920504020992
9 56869795869126246818618490355712
10 10089974849557868979545831504092332032
11 2659150134955694814127423122143061660925952

List of values

[1, 2, 272, 261392, 923578112, 8687146706432, 179207715900772352, 7123449535546491471872, 497301503279765920504020992, 56869795869126246818618490355712, 10089974849557868979545831504092332032, 2659150134955694814127423122143061660925952]

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

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