A227985 - cp's OEIS frontend

A227985 Numerators of the fractional triangle T(n,k) = binomial(n-1,k)*B_k for 0 <= k < n.

n	a(n)
0	1
1	0
2	-1
3	0
4	-1
5	1
6	0
7	-1
8	1
9	-1
10	0
11	-1
12	1
13	-1
14	0
15	0
16	-1
17	1
18	-5
19	0
20	1
21	0
22	-1
23	1
24	-1
25	0
26	1
27	0
28	0
29	-1
30	1
31	-7
32	0
33	7
34	0
35	-1
36	0
37	-1
38	1
39	-2
40	0
41	7
42	0
43	-2
44	0
45	0
46	-1
47	1
48	-3
49	0
50	7
51	0
52	-1
53	0
54	3
55	0
56	-1
57	1
58	-5
59	0
60	1
61	0
62	-1
63	0
64	1
65	0
66	0
67	-1
68	1
69	-11
70	0
71	11
72	0
73	-11
74	0
75	11
76	0
77	-5
78	0
79	-1
80	1
81	-1
82	0
83	11
84	0
85	-22
86	0
87	33
88	0
89	-5
90	0

[1, 0, -1, 0, -1, 1, 0, -1, 1, -1, 0, -1, 1, -1, 0, 0, -1, 1, -5, 0, 1, 0, -1, 1, -1, 0, 1, 0, 0, -1, 1, -7, 0, 7, 0, -1, 0, -1, 1, -2, 0, 7, 0, -2, 0, 0, -1, 1, -3, 0, 7, 0, -1, 0, 3, 0, -1, 1, -5, 0, 1, 0, -1, 0, 1, 0, 0, -1, 1, -11, 0, 11, 0, -11, 0, 11, 0, -5, 0, -1, 1, -1, 0, 11, 0, -22, 0, 33, 0, -5, 0]

cp's OEIS Frontend

A227985 Numerators of the fractional triangle T(n,k) = binomial(n-1,k)*B_k for 0 <= k < n.

Table of values

List of values

n	a(n)
0	1
1	0
2	-1
3	0
4	-1
5	1
6	0
7	-1
8	1
9	-1
10	0
11	-1
12	1
13	-1
14	0
15	0
16	-1
17	1
18	-5
19	0
20	1
21	0
22	-1
23	1
24	-1
25	0
26	1
27	0
28	0
29	-1
30	1
31	-7
32	0
33	7
34	0
35	-1
36	0
37	-1
38	1
39	-2
40	0
41	7
42	0
43	-2
44	0
45	0
46	-1
47	1
48	-3
49	0
50	7
51	0
52	-1
53	0
54	3
55	0
56	-1
57	1
58	-5
59	0
60	1
61	0
62	-1
63	0
64	1
65	0
66	0
67	-1
68	1
69	-11
70	0
71	11
72	0
73	-11
74	0
75	11
76	0
77	-5
78	0
79	-1
80	1
81	-1
82	0
83	11
84	0
85	-22
86	0
87	33
88	0
89	-5
90	0

n	a(n)
0	1
1	0
2	-1
3	0
4	-1
5	1
6	0
7	-1
8	1
9	-1
10	0
11	-1
12	1
13	-1
14	0
15	0
16	-1
17	1
18	-5
19	0
20	1
21	0
22	-1
23	1
24	-1
25	0
26	1
27	0
28	0
29	-1
30	1
31	-7
32	0
33	7
34	0
35	-1
36	0
37	-1
38	1
39	-2
40	0
41	7
42	0
43	-2
44	0
45	0
46	-1
47	1
48	-3
49	0
50	7
51	0
52	-1
53	0
54	3
55	0
56	-1
57	1
58	-5
59	0
60	1
61	0
62	-1
63	0
64	1
65	0
66	0
67	-1
68	1
69	-11
70	0
71	11
72	0
73	-11
74	0
75	11
76	0
77	-5
78	0
79	-1
80	1
81	-1
82	0
83	11
84	0
85	-22
86	0
87	33
88	0
89	-5
90	0

n	a(n)
0	1
1	0
2	-1
3	0
4	-1
5	1
6	0
7	-1
8	1
9	-1
10	0
11	-1
12	1
13	-1
14	0
15	0
16	-1
17	1
18	-5
19	0
20	1
21	0
22	-1
23	1
24	-1
25	0
26	1
27	0
28	0
29	-1
30	1
31	-7
32	0
33	7
34	0
35	-1
36	0
37	-1
38	1
39	-2
40	0
41	7
42	0
43	-2
44	0
45	0
46	-1
47	1
48	-3
49	0
50	7
51	0
52	-1
53	0
54	3
55	0
56	-1
57	1
58	-5
59	0
60	1
61	0
62	-1
63	0
64	1
65	0
66	0
67	-1
68	1
69	-11
70	0
71	11
72	0
73	-11
74	0
75	11
76	0
77	-5
78	0
79	-1
80	1
81	-1
82	0
83	11
84	0
85	-22
86	0
87	33
88	0
89	-5
90	0