A144405 - cp's OEIS frontend

A144405 Triangle T(n,k) = binomial(n, k)(3binomial(n, k)^2 - binomial(n, k) - 1), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	18
5	1
6	1
7	69
8	69
9	1
10	1
11	172
12	606
13	172
14	1
15	1
16	345
17	2890
18	2890
19	345
20	1
21	1
22	606
23	9885
24	23580
25	9885
26	606
27	1
28	1
29	973
30	27321
31	127365
32	127365
33	27321
34	973
35	1
36	1
37	1464
38	65044
39	523656
40	1024030
41	523656
42	65044
43	1464
44	1
45	1
46	2097
47	138636
48	1770972
49	5985126
50	5985126
51	1770972
52	138636
53	2097
54	1

[1, 1, 1, 1, 18, 1, 1, 69, 69, 1, 1, 172, 606, 172, 1, 1, 345, 2890, 2890, 345, 1, 1, 606, 9885, 23580, 9885, 606, 1, 1, 973, 27321, 127365, 127365, 27321, 973, 1, 1, 1464, 65044, 523656, 1024030, 523656, 65044, 1464, 1, 1, 2097, 138636, 1770972, 5985126, 5985126, 1770972, 138636, 2097, 1]

cp's OEIS Frontend

A144405 Triangle T(n,k) = binomial(n, k)(3binomial(n, k)^2 - binomial(n, k) - 1), read by rows.

Table of values

List of values

cp's OEIS Frontend

A144405 Triangle T(n,k) = binomial(n, k)*(3*binomial(n, k)^2 - binomial(n, k) - 1), read by rows.

Table of values

List of values

A144405 Triangle T(n,k) = binomial(n, k)(3binomial(n, k)^2 - binomial(n, k) - 1), read by rows.