A330892 - cp's OEIS frontend

A330892 Square array of polygonal numbers read by descending antidiagonals (the transpose of A317302).

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	-3
8	1
9	1
10	0
11	-8
12	0
13	2
14	1
15	0
16	-15
17	-2
18	3
19	3
20	1
21	0
22	-24
23	-5
24	4
25	6
26	4
27	1
28	0
29	-35
30	-9
31	5
32	10
33	9
34	5
35	1
36	0
37	-48
38	-14
39	6
40	15
41	16
42	12
43	6
44	1
45	0
46	-63
47	-20
48	7
49	21
50	25
51	22
52	15
53	7
54	1
55	0
56	-80
57	-27
58	8
59	28
60	36
61	35
62	28
63	18
64	8
65	1
66	0
67	-99
68	-35
69	9
70	36
71	49
72	51
73	45
74	34
75	21
76	9
77	1
78	0

[0, 1, 0, 0, 1, 0, -3, 1, 1, 0, -8, 0, 2, 1, 0, -15, -2, 3, 3, 1, 0, -24, -5, 4, 6, 4, 1, 0, -35, -9, 5, 10, 9, 5, 1, 0, -48, -14, 6, 15, 16, 12, 6, 1, 0, -63, -20, 7, 21, 25, 22, 15, 7, 1, 0, -80, -27, 8, 28, 36, 35, 28, 18, 8, 1, 0, -99, -35, 9, 36, 49, 51, 45, 34, 21, 9, 1, 0]

cp's OEIS Frontend

A330892 Square array of polygonal numbers read by descending antidiagonals (the transpose of A317302).

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	-3
8	1
9	1
10	0
11	-8
12	0
13	2
14	1
15	0
16	-15
17	-2
18	3
19	3
20	1
21	0
22	-24
23	-5
24	4
25	6
26	4
27	1
28	0
29	-35
30	-9
31	5
32	10
33	9
34	5
35	1
36	0
37	-48
38	-14
39	6
40	15
41	16
42	12
43	6
44	1
45	0
46	-63
47	-20
48	7
49	21
50	25
51	22
52	15
53	7
54	1
55	0
56	-80
57	-27
58	8
59	28
60	36
61	35
62	28
63	18
64	8
65	1
66	0
67	-99
68	-35
69	9
70	36
71	49
72	51
73	45
74	34
75	21
76	9
77	1
78	0

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	-3
8	1
9	1
10	0
11	-8
12	0
13	2
14	1
15	0
16	-15
17	-2
18	3
19	3
20	1
21	0
22	-24
23	-5
24	4
25	6
26	4
27	1
28	0
29	-35
30	-9
31	5
32	10
33	9
34	5
35	1
36	0
37	-48
38	-14
39	6
40	15
41	16
42	12
43	6
44	1
45	0
46	-63
47	-20
48	7
49	21
50	25
51	22
52	15
53	7
54	1
55	0
56	-80
57	-27
58	8
59	28
60	36
61	35
62	28
63	18
64	8
65	1
66	0
67	-99
68	-35
69	9
70	36
71	49
72	51
73	45
74	34
75	21
76	9
77	1
78	0

n	a(n)
1	0
2	1
3	0
4	0
5	1
6	0
7	-3
8	1
9	1
10	0
11	-8
12	0
13	2
14	1
15	0
16	-15
17	-2
18	3
19	3
20	1
21	0
22	-24
23	-5
24	4
25	6
26	4
27	1
28	0
29	-35
30	-9
31	5
32	10
33	9
34	5
35	1
36	0
37	-48
38	-14
39	6
40	15
41	16
42	12
43	6
44	1
45	0
46	-63
47	-20
48	7
49	21
50	25
51	22
52	15
53	7
54	1
55	0
56	-80
57	-27
58	8
59	28
60	36
61	35
62	28
63	18
64	8
65	1
66	0
67	-99
68	-35
69	9
70	36
71	49
72	51
73	45
74	34
75	21
76	9
77	1
78	0