A167925 - cp's OEIS frontend

A167925 Triangle, T(n, k) = (sqrt(k+1))^(n-1)*ChebyshevU(n-1, sqrt(k+1)/2), read by rows.

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	3
6	0
7	2
8	6
9	12
10	-1
11	0
12	9
13	32
14	75
15	-1
16	-4
17	9
18	80
19	275
20	684
21	0
22	-8
23	0
24	192
25	1000
26	3240
27	8232
28	1
29	-8
30	-27
31	448
32	3625
33	15336
34	47677
35	122368
36	1
37	0
38	-81
39	1024
40	13125
41	72576
42	276115
43	835584
44	2158569
45	0
46	16
47	-162
48	2304
49	47500
50	343440
51	1599066
52	5705728
53	16953624
54	44010000

[0, 1, 1, 1, 2, 3, 0, 2, 6, 12, -1, 0, 9, 32, 75, -1, -4, 9, 80, 275, 684, 0, -8, 0, 192, 1000, 3240, 8232, 1, -8, -27, 448, 3625, 15336, 47677, 122368, 1, 0, -81, 1024, 13125, 72576, 276115, 835584, 2158569, 0, 16, -162, 2304, 47500, 343440, 1599066, 5705728, 16953624, 44010000]

cp's OEIS Frontend

A167925 Triangle, T(n, k) = (sqrt(k+1))^(n-1)*ChebyshevU(n-1, sqrt(k+1)/2), read by rows.

Table of values

List of values