A107873 - cp's OEIS frontend

A107873 Triangle, read by rows, where T(n,k) = binomial(n(n-1)/2 - k(k-1)/2 + n-k+3, n-k).

n	a(n)
0	1
1	4
2	1
3	15
4	5
5	1
6	84
7	28
8	6
9	1
10	715
11	220
12	45
13	7
14	1
15	8568
16	2380
17	455
18	66
19	8
20	1
21	134596
22	33649
23	5985
24	816
25	91
26	9
27	1
28	2629575
29	593775
30	98280
31	12650
32	1330
33	120
34	10
35	1
36	61523748
37	12620256
38	1947792
39	237336
40	23751
41	2024
42	153
43	11
44	1
45	1677106640
46	314457495
47	45379620
48	5245786
49	501942
50	40920
51	2925
52	190
53	12
54	1

[1, 4, 1, 15, 5, 1, 84, 28, 6, 1, 715, 220, 45, 7, 1, 8568, 2380, 455, 66, 8, 1, 134596, 33649, 5985, 816, 91, 9, 1, 2629575, 593775, 98280, 12650, 1330, 120, 10, 1, 61523748, 12620256, 1947792, 237336, 23751, 2024, 153, 11, 1, 1677106640, 314457495, 45379620, 5245786, 501942, 40920, 2925, 190, 12, 1]

cp's OEIS Frontend

A107873 Triangle, read by rows, where T(n,k) = binomial(n(n-1)/2 - k(k-1)/2 + n-k+3, n-k).

Table of values

List of values

cp's OEIS Frontend

A107873 Triangle, read by rows, where T(n,k) = binomial(n*(n-1)/2 - k*(k-1)/2 + n-k+3, n-k).

Table of values

List of values

A107873 Triangle, read by rows, where T(n,k) = binomial(n(n-1)/2 - k(k-1)/2 + n-k+3, n-k).