A174128 - cp's OEIS frontend

A174128 Irregular triangle read by rows: row n (n > 0) is the expansion of Sum_{m=1..n} A001263(n,m)x^(m - 1)(1 - x)^(n - m).

n	a(n)
1	1
2	1
3	1
4	1
5	-1
6	1
7	3
8	-3
9	1
10	6
11	-4
12	-4
13	2
14	1
15	10
16	0
17	-20
18	10
19	1
20	15
21	15
22	-55
23	15
24	15
25	-5
26	1
27	21
28	49
29	-105
30	-35
31	105
32	-35
33	1
34	28
35	112
36	-140
37	-266
38	364
39	-56
40	-56
41	14
42	1
43	36
44	216
45	-84
46	-882
47	756
48	336
49	-504
50	126
51	1
52	45
53	375
54	210
55	-2100
56	672
57	2520
58	-2100
59	210
60	210
61	-42

[1, 1, 1, 1, -1, 1, 3, -3, 1, 6, -4, -4, 2, 1, 10, 0, -20, 10, 1, 15, 15, -55, 15, 15, -5, 1, 21, 49, -105, -35, 105, -35, 1, 28, 112, -140, -266, 364, -56, -56, 14, 1, 36, 216, -84, -882, 756, 336, -504, 126, 1, 45, 375, 210, -2100, 672, 2520, -2100, 210, 210, -42]

cp's OEIS Frontend

A174128 Irregular triangle read by rows: row n (n > 0) is the expansion of Sum_{m=1..n} A001263(n,m)x^(m - 1)(1 - x)^(n - m).

Table of values

List of values

cp's OEIS Frontend

A174128 Irregular triangle read by rows: row n (n > 0) is the expansion of Sum_{m=1..n} A001263(n,m)*x^(m - 1)*(1 - x)^(n - m).

Table of values

List of values

A174128 Irregular triangle read by rows: row n (n > 0) is the expansion of Sum_{m=1..n} A001263(n,m)x^(m - 1)(1 - x)^(n - m).