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.

A024283 E.g.f. (1/2) * tan(x)^2 (even powers only).

Table of values

n a(n)
0 0
1 1
2 8
3 136
4 3968
5 176896
6 11184128
7 951878656
8 104932671488
9 14544442556416
10 2475749026562048
11 507711943253426176
12 123460740095103991808
13 35125800801971979943936
14 11559592093904798920736768
15 4356981378562584648085405696
16 1864703851860264785548754812928

List of values

[0, 1, 8, 136, 3968, 176896, 11184128, 951878656, 104932671488, 14544442556416, 2475749026562048, 507711943253426176, 123460740095103991808, 35125800801971979943936, 11559592093904798920736768, 4356981378562584648085405696, 1864703851860264785548754812928]

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

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