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.

A319212 a(n) = 1*2*3*4*5*6*7*8*9*10 + 11*12*13*14*15*16*17*18*19*20 + 21*22*23*24*25*26*27*28*29*30 + ... + (up to n).

Table of values

n a(n)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 362880
10 3628800
11 3628811
12 3628932
13 3630516
14 3652824
15 3989160
16 9394560
17 101646720
18 1767951360
19 33525757440
20 670446201600
21 670446201621
22 670446202062
23 670446212226
24 670446456624
25 670452577200
26 670611967200
27 674921872800

List of values

[1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800, 3628811, 3628932, 3630516, 3652824, 3989160, 9394560, 101646720, 1767951360, 33525757440, 670446201600, 670446201621, 670446202062, 670446212226, 670446456624, 670452577200, 670611967200, 674921872800]

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

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