A059446 - cp's OEIS frontend

A059446 Triangle T(n,k) = coefficient of x^ny^k/(n!k!) in 1/(1-x-y-x*y), read by rows in order 00, 10, 01, 20, 11, 02, ...

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	2
6	6
7	10
8	10
9	6
10	24
11	42
12	52
13	42
14	24
15	120
16	216
17	300
18	300
19	216
20	120
21	720
22	1320
23	1968
24	2268
25	1968
26	1320
27	720
28	5040
29	9360
30	14640
31	18576
32	18576
33	14640
34	9360
35	5040
36	40320
37	75600
38	122400
39	166320
40	184896
41	166320
42	122400
43	75600
44	40320

[1, 1, 1, 2, 3, 2, 6, 10, 10, 6, 24, 42, 52, 42, 24, 120, 216, 300, 300, 216, 120, 720, 1320, 1968, 2268, 1968, 1320, 720, 5040, 9360, 14640, 18576, 18576, 14640, 9360, 5040, 40320, 75600, 122400, 166320, 184896, 166320, 122400, 75600, 40320]

cp's OEIS Frontend

A059446 Triangle T(n,k) = coefficient of x^ny^k/(n!k!) in 1/(1-x-y-x*y), read by rows in order 00, 10, 01, 20, 11, 02, ...

Table of values

List of values

cp's OEIS Frontend

A059446 Triangle T(n,k) = coefficient of x^n*y^k/(n!*k!) in 1/(1-x-y-x*y), read by rows in order 00, 10, 01, 20, 11, 02, ...

Table of values

List of values

A059446 Triangle T(n,k) = coefficient of x^ny^k/(n!k!) in 1/(1-x-y-x*y), read by rows in order 00, 10, 01, 20, 11, 02, ...