A124645 - cp's OEIS frontend

A124645 Triangle T(n,k), 0<=k<=n, read by rows given by [1,-1,0,0,0,0,0,...] DELTA [ -1,2,-1,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938 .

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

[1, 1, -1, 0, 1, -1, 0, 1, -2, 1, 0, 0, 1, -2, 1, 0, 0, 1, -3, 3, -1, 0, 0, 0, 1, -3, 3, -1, 0, 0, 0, 1, -4, 6, -4, 1, 0, 0, 0, 0, 1, -4, 6, -4, 1, 0, 0, 0, 0, 1, -5, 10, -10, 5, -1, 0, 0, 0, 0, 0, 1, -5, 10, -10, 5, -1, 0, 0, 0, 0, 0, 1, -6, 15, -20, 15, -6, 1, 0, 0, 0, 0, 0, 0, 1, -6, 15, -20, 15, -6, 1]

cp's OEIS Frontend

A124645 Triangle T(n,k), 0<=k<=n, read by rows given by [1,-1,0,0,0,0,0,...] DELTA [ -1,2,-1,0,0,0,0,0,0,...] where DELTA is the operator defined in A084938 .

Table of values

List of values

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

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

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