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.

A382825 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / ( (1-x) * (1-y) * (1 - log(1-x) * log(1-y))^3 ).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 4
5 2
6 6
7 11
8 11
9 6
10 24
11 39
12 55
13 39
14 24
15 120
16 174
17 255
18 255
19 174
20 120
21 720
22 942
23 1338
24 1623
25 1338
26 942
27 720
28 5040
29 6012
30 8106
31 10434
32 10434
33 8106
34 6012
35 5040
36 40320
37 44244
38 56292
39 72762
40 82116
41 72762
42 56292
43 44244
44 40320
45 362880
46 369072
47 442860
48 560988
49 668580
50 668580
51 560988
52 442860
53 369072
54 362880

List of values

[1, 1, 1, 2, 4, 2, 6, 11, 11, 6, 24, 39, 55, 39, 24, 120, 174, 255, 255, 174, 120, 720, 942, 1338, 1623, 1338, 942, 720, 5040, 6012, 8106, 10434, 10434, 8106, 6012, 5040, 40320, 44244, 56292, 72762, 82116, 72762, 56292, 44244, 40320, 362880, 369072, 442860, 560988, 668580, 668580, 560988, 442860, 369072, 362880]