A119974 - cp's OEIS frontend

A119974 Embed zeros in A119972, thereby creating a signed triangular matrix illustrating the pattern of negative values.

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

[1, 2, -3, 4, 0, 5, 0, -6, 0, -7, 8, 0, 0, 0, 9, 0, 0, 10, 0, 0, -11, 0, -12, 0, 0, 0, 0, 13, 0, 0, 0, -14, 0, 0, 0, -15, 16, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 18, 0, 0, 0, 0, -19, 0, 0, 20, 0, 0, 0, 0, 0, 0, 0, 21, 0, 0, 0, 0, 0, -22, 0, 0, 0, 0, 0, -23, 0, -24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25]

cp's OEIS Frontend

A119974 Embed zeros in A119972, thereby creating a signed triangular matrix illustrating the pattern of negative values.

Table of values

List of values

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

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

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