A081658 - cp's OEIS frontend

A081658 Triangle read by rows: T(n, k) = (-2)^kbinomial(n, k)Euler(k, 1/2).

n	a(n)
0	1
1	1
2	0
3	1
4	0
5	-1
6	1
7	0
8	-3
9	0
10	1
11	0
12	-6
13	0
14	5
15	1
16	0
17	-10
18	0
19	25
20	0
21	1
22	0
23	-15
24	0
25	75
26	0
27	-61
28	1
29	0
30	-21
31	0
32	175
33	0
34	-427
35	0
36	1
37	0
38	-28
39	0
40	350
41	0
42	-1708
43	0
44	1385
45	1
46	0
47	-36
48	0
49	630
50	0
51	-5124
52	0
53	12465
54	0
55	1
56	0
57	-45
58	0
59	1050
60	0
61	-12810
62	0
63	62325
64	0
65	-50521
66	1
67	0
68	-55
69	0
70	1650
71	0
72	-28182
73	0
74	228525
75	0
76	-555731
77	0
78	1
79	0
80	-66
81	0
82	2475
83	0

[1, 1, 0, 1, 0, -1, 1, 0, -3, 0, 1, 0, -6, 0, 5, 1, 0, -10, 0, 25, 0, 1, 0, -15, 0, 75, 0, -61, 1, 0, -21, 0, 175, 0, -427, 0, 1, 0, -28, 0, 350, 0, -1708, 0, 1385, 1, 0, -36, 0, 630, 0, -5124, 0, 12465, 0, 1, 0, -45, 0, 1050, 0, -12810, 0, 62325, 0, -50521, 1, 0, -55, 0, 1650, 0, -28182, 0, 228525, 0, -555731, 0, 1, 0, -66, 0, 2475, 0]

cp's OEIS Frontend

A081658 Triangle read by rows: T(n, k) = (-2)^kbinomial(n, k)Euler(k, 1/2).

Table of values

List of values

cp's OEIS Frontend

A081658 Triangle read by rows: T(n, k) = (-2)^k*binomial(n, k)*Euler(k, 1/2).

Table of values

List of values

A081658 Triangle read by rows: T(n, k) = (-2)^kbinomial(n, k)Euler(k, 1/2).