A107862 - cp's OEIS frontend

A107862 Triangle, read by rows, where T(n,k) = C(n(n-1)/2 - k(k-1)/2 + n-k, n-k).

n	a(n)
0	1
1	1
2	1
3	3
4	2
5	1
6	20
7	10
8	3
9	1
10	210
11	84
12	21
13	4
14	1
15	3003
16	1001
17	220
18	36
19	5
20	1
21	54264
22	15504
23	3060
24	455
25	55
26	6
27	1
28	1184040
29	296010
30	53130
31	7315
32	816
33	78
34	7
35	1
36	30260340
37	6724520
38	1107568
39	142506
40	14950
41	1330
42	105
43	8
44	1
45	886163135
46	177232627
47	26978328
48	3262623
49	324632
50	27405
51	2024
52	136
53	9
54	1

[1, 1, 1, 3, 2, 1, 20, 10, 3, 1, 210, 84, 21, 4, 1, 3003, 1001, 220, 36, 5, 1, 54264, 15504, 3060, 455, 55, 6, 1, 1184040, 296010, 53130, 7315, 816, 78, 7, 1, 30260340, 6724520, 1107568, 142506, 14950, 1330, 105, 8, 1, 886163135, 177232627, 26978328, 3262623, 324632, 27405, 2024, 136, 9, 1]

cp's OEIS Frontend

A107862 Triangle, read by rows, where T(n,k) = C(n(n-1)/2 - k(k-1)/2 + n-k, n-k).

Table of values

List of values

cp's OEIS Frontend

A107862 Triangle, read by rows, where T(n,k) = C(n*(n-1)/2 - k*(k-1)/2 + n-k, n-k).

Table of values

List of values

A107862 Triangle, read by rows, where T(n,k) = C(n(n-1)/2 - k(k-1)/2 + n-k, n-k).