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.

A011929 a(n) = floor(n(n-1)(n-2)(n-3)/19).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 6
6 18
7 44
8 88
9 159
10 265
11 416
12 625
13 903
14 1264
15 1724
16 2298
17 3006
18 3865
19 4896
20 6120
21 7560
22 9240
23 11185
24 13422
25 15978
26 18884
27 22168
28 25863
29 30001
30 34616
31 39745
32 45423
33 51688
34 58580
35 66138
36 74406
37 83425
38 93240
39 103896
40 115440
41 127920
42 141385

List of values

[0, 0, 0, 0, 1, 6, 18, 44, 88, 159, 265, 416, 625, 903, 1264, 1724, 2298, 3006, 3865, 4896, 6120, 7560, 9240, 11185, 13422, 15978, 18884, 22168, 25863, 30001, 34616, 39745, 45423, 51688, 58580, 66138, 74406, 83425, 93240, 103896, 115440, 127920, 141385]

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

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