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.

A000464 Expansion of e.g.f. sin(x)/cos(2*x).

Table of values

n a(n)
0 1
1 11
2 361
3 24611
4 2873041
5 512343611
6 129570724921
7 44110959165011
8 19450718635716001
9 10784052561125704811
10 7342627959965776406281
11 6023130568334172003579011
12 5858598896811701995459355761
13 6667317162352419006959182803611
14 8776621742176931117228228227924441

List of values

[1, 11, 361, 24611, 2873041, 512343611, 129570724921, 44110959165011, 19450718635716001, 10784052561125704811, 7342627959965776406281, 6023130568334172003579011, 5858598896811701995459355761, 6667317162352419006959182803611, 8776621742176931117228228227924441]

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

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