A367024 - cp's OEIS frontend

A367024 Triangle read by rows, T(n, k) = [x^k] -hypergeom([-1/2, -n, -n], [1, 1], 4*x).

n	a(n)
0	-1
1	-1
2	2
3	-1
4	8
5	2
6	-1
7	18
8	18
9	4
10	-1
11	32
12	72
13	64
14	10
15	-1
16	50
17	200
18	400
19	250
20	28
21	-1
22	72
23	450
24	1600
25	2250
26	1008
27	84
28	-1
29	98
30	882
31	4900
32	12250
33	12348
34	4116
35	264
36	-1
37	128
38	1568
39	12544
40	49000
41	87808
42	65856
43	16896
44	858
45	-1
46	162
47	2592
48	28224
49	158760
50	444528
51	592704
52	342144
53	69498
54	2860

[-1, -1, 2, -1, 8, 2, -1, 18, 18, 4, -1, 32, 72, 64, 10, -1, 50, 200, 400, 250, 28, -1, 72, 450, 1600, 2250, 1008, 84, -1, 98, 882, 4900, 12250, 12348, 4116, 264, -1, 128, 1568, 12544, 49000, 87808, 65856, 16896, 858, -1, 162, 2592, 28224, 158760, 444528, 592704, 342144, 69498, 2860]

cp's OEIS Frontend

A367024 Triangle read by rows, T(n, k) = [x^k] -hypergeom([-1/2, -n, -n], [1, 1], 4*x).

Table of values

List of values