A121372 - cp's OEIS frontend

A121372 Triangle, read by rows of length A003056(n) for n >= 1, defined by the recurrence: T(n,k) = T(n-k,k-1) - T(n-k,k) for n > k > 1, with T(n,1) =(-1)^(n-1) for n >= 1.

n	a(n)
1	1
2	-1
3	1
4	1
5	-1
6	-1
7	1
8	0
9	-1
10	0
11	1
12	1
13	1
14	-1
15	-1
16	-1
17	0
18	1
19	0
20	-1
21	-1
22	0
23	2
24	1
25	1
26	1
27	-1
28	-1
29	-1
30	-1
31	1
32	0
33	1
34	0
35	-2
36	-1
37	-1
38	0
39	2
40	1
41	1
42	1
43	-2
44	0
45	1
46	-1
47	-1
48	2
49	1
50	-1
51	1
52	0
53	-2
54	-1
55	0
56	-1
57	0
58	3
59	1
60	-1
61	1
62	1
63	-3
64	-2
65	1
66	-1
67	-1
68	2
69	1
70	-1
71	1
72	0
73	-3
74	-1
75	2
76	1
77	-1
78	0
79	4
80	2
81	-1
82	-1
83	1
84	1
85	-3
86	-1
87	2
88	0
89	-1
90	-1
91	3
92	1
93	-3
94	-1
95	1
96	0
97	-4
98	-2
99	2
100	1
101	-1
102	0
103	4
104	2
105	-3

[1, -1, 1, 1, -1, -1, 1, 0, -1, 0, 1, 1, 1, -1, -1, -1, 0, 1, 0, -1, -1, 0, 2, 1, 1, 1, -1, -1, -1, -1, 1, 0, 1, 0, -2, -1, -1, 0, 2, 1, 1, 1, -2, 0, 1, -1, -1, 2, 1, -1, 1, 0, -2, -1, 0, -1, 0, 3, 1, -1, 1, 1, -3, -2, 1, -1, -1, 2, 1, -1, 1, 0, -3, -1, 2, 1, -1, 0, 4, 2, -1, -1, 1, 1, -3, -1, 2, 0, -1, -1, 3, 1, -3, -1, 1, 0, -4, -2, 2, 1, -1, 0, 4, 2, -3]

cp's OEIS Frontend

A121372 Triangle, read by rows of length A003056(n) for n >= 1, defined by the recurrence: T(n,k) = T(n-k,k-1) - T(n-k,k) for n > k > 1, with T(n,1) =(-1)^(n-1) for n >= 1.

Table of values

List of values

n	a(n)
1	1
2	-1
3	1
4	1
5	-1
6	-1
7	1
8	0
9	-1
10	0
11	1
12	1
13	1
14	-1
15	-1
16	-1
17	0
18	1
19	0
20	-1
21	-1
22	0
23	2
24	1
25	1
26	1
27	-1
28	-1
29	-1
30	-1
31	1
32	0
33	1
34	0
35	-2
36	-1
37	-1
38	0
39	2
40	1
41	1
42	1
43	-2
44	0
45	1
46	-1
47	-1
48	2
49	1
50	-1
51	1
52	0
53	-2
54	-1
55	0
56	-1
57	0
58	3
59	1
60	-1
61	1
62	1
63	-3
64	-2
65	1
66	-1
67	-1
68	2
69	1
70	-1
71	1
72	0
73	-3
74	-1
75	2
76	1
77	-1
78	0
79	4
80	2
81	-1
82	-1
83	1
84	1
85	-3
86	-1
87	2
88	0
89	-1
90	-1
91	3
92	1
93	-3
94	-1
95	1
96	0
97	-4
98	-2
99	2
100	1
101	-1
102	0
103	4
104	2
105	-3

n	a(n)
1	1
2	-1
3	1
4	1
5	-1
6	-1
7	1
8	0
9	-1
10	0
11	1
12	1
13	1
14	-1
15	-1
16	-1
17	0
18	1
19	0
20	-1
21	-1
22	0
23	2
24	1
25	1
26	1
27	-1
28	-1
29	-1
30	-1
31	1
32	0
33	1
34	0
35	-2
36	-1
37	-1
38	0
39	2
40	1
41	1
42	1
43	-2
44	0
45	1
46	-1
47	-1
48	2
49	1
50	-1
51	1
52	0
53	-2
54	-1
55	0
56	-1
57	0
58	3
59	1
60	-1
61	1
62	1
63	-3
64	-2
65	1
66	-1
67	-1
68	2
69	1
70	-1
71	1
72	0
73	-3
74	-1
75	2
76	1
77	-1
78	0
79	4
80	2
81	-1
82	-1
83	1
84	1
85	-3
86	-1
87	2
88	0
89	-1
90	-1
91	3
92	1
93	-3
94	-1
95	1
96	0
97	-4
98	-2
99	2
100	1
101	-1
102	0
103	4
104	2
105	-3

n	a(n)
1	1
2	-1
3	1
4	1
5	-1
6	-1
7	1
8	0
9	-1
10	0
11	1
12	1
13	1
14	-1
15	-1
16	-1
17	0
18	1
19	0
20	-1
21	-1
22	0
23	2
24	1
25	1
26	1
27	-1
28	-1
29	-1
30	-1
31	1
32	0
33	1
34	0
35	-2
36	-1
37	-1
38	0
39	2
40	1
41	1
42	1
43	-2
44	0
45	1
46	-1
47	-1
48	2
49	1
50	-1
51	1
52	0
53	-2
54	-1
55	0
56	-1
57	0
58	3
59	1
60	-1
61	1
62	1
63	-3
64	-2
65	1
66	-1
67	-1
68	2
69	1
70	-1
71	1
72	0
73	-3
74	-1
75	2
76	1
77	-1
78	0
79	4
80	2
81	-1
82	-1
83	1
84	1
85	-3
86	-1
87	2
88	0
89	-1
90	-1
91	3
92	1
93	-3
94	-1
95	1
96	0
97	-4
98	-2
99	2
100	1
101	-1
102	0
103	4
104	2
105	-3