A279965 - cp's OEIS frontend

A279965 Square array read by antidiagonals upwards in which each term is the number of prior elements in the same row, column, diagonal, or antidiagonal whose parity is the same as the parity of n.

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

[0, 1, 1, 1, 3, 1, 2, 1, 5, 2, 2, 2, 5, 3, 4, 3, 4, 3, 8, 4, 4, 3, 5, 3, 7, 3, 9, 4, 4, 3, 8, 6, 6, 8, 6, 11, 4, 4, 8, 8, 5, 9, 7, 7, 7, 5, 6, 5, 6, 8, 8, 12, 9, 7, 8, 5, 7, 5, 7, 8, 12, 9, 13, 5, 15, 8, 6, 5, 10, 9, 6, 12, 8, 13, 11, 8, 12, 14]

cp's OEIS Frontend

A279965 Square array read by antidiagonals upwards in which each term is the number of prior elements in the same row, column, diagonal, or antidiagonal whose parity is the same as the parity of n.

Table of values

List of values

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

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

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