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.

A260687 Triangular array with n-th row giving coefficients of polynomial Product_{k = 2..n} (k + n*t) for n >= 1.

Table of values

n a(n)
1 1
2 2
3 2
4 6
5 15
6 9
7 24
8 104
9 144
10 64
11 120
12 770
13 1775
14 1750
15 625
16 720
17 6264
18 20880
19 33480
20 25920
21 7776
22 5040
23 56196
24 250096
25 571095
26 708295
27 453789
28 117649
29 40320
30 554112
31 3127040
32 9433088
33 16486400
34 16744448
35 9175040
36 2097152
37 362880
38 5973264
39 41229324
40 156498804

List of values

[1, 2, 2, 6, 15, 9, 24, 104, 144, 64, 120, 770, 1775, 1750, 625, 720, 6264, 20880, 33480, 25920, 7776, 5040, 56196, 250096, 571095, 708295, 453789, 117649, 40320, 554112, 3127040, 9433088, 16486400, 16744448, 9175040, 2097152, 362880, 5973264, 41229324, 156498804]