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.

A030799 a(n) = floor(exp(1/2)*n!).

Table of values

n a(n)
1 1
2 3
3 9
4 39
5 197
6 1187
7 8309
8 66476
9 598287
10 5982879
11 65811677
12 789740126
13 10266621646
14 143732703044
15 2155990545670
16 34495848730735
17 586429428422497
18 10555729711604956
19 200558864520494172
20 4011177290409883459

List of values

[1, 3, 9, 39, 197, 1187, 8309, 66476, 598287, 5982879, 65811677, 789740126, 10266621646, 143732703044, 2155990545670, 34495848730735, 586429428422497, 10555729711604956, 200558864520494172, 4011177290409883459]

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

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