A176078 - cp's OEIS frontend

A176078 Triangle, read by rows, T(n, k) = (2n)!/((n-k)! k!)^2 - (2*n)!/(n!)^2 + 1.

n	a(n)
0	1
1	1
2	1
3	1
4	19
5	1
6	1
7	161
8	161
9	1
10	1
11	1051
12	2451
13	1051
14	1
15	1
16	6049
17	24949
18	24949
19	6049
20	1
21	1
22	32341
23	206977
24	368677
25	206977
26	32341
27	1
28	1
29	164737
30	1510081
31	4200769
32	4200769
33	1510081
34	164737
35	1
36	1
37	810811
38	10077211
39	40347451
40	63050131
41	40347451
42	10077211
43	810811
44	1

[1, 1, 1, 1, 19, 1, 1, 161, 161, 1, 1, 1051, 2451, 1051, 1, 1, 6049, 24949, 24949, 6049, 1, 1, 32341, 206977, 368677, 206977, 32341, 1, 1, 164737, 1510081, 4200769, 4200769, 1510081, 164737, 1, 1, 810811, 10077211, 40347451, 63050131, 40347451, 10077211, 810811, 1]

cp's OEIS Frontend

A176078 Triangle, read by rows, T(n, k) = (2n)!/((n-k)! k!)^2 - (2*n)!/(n!)^2 + 1.

Table of values

List of values

cp's OEIS Frontend

A176078 Triangle, read by rows, T(n, k) = (2*n)!/((n-k)! * k!)^2 - (2*n)!/(n!)^2 + 1.

Table of values

List of values

A176078 Triangle, read by rows, T(n, k) = (2n)!/((n-k)! k!)^2 - (2*n)!/(n!)^2 + 1.