A319929 - cp's OEIS frontend

A319929 Minimal arithmetic table similar to multiplication with different rules for odd and even products, read by antidiagonals.

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

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

cp's OEIS Frontend

A319929 Minimal arithmetic table similar to multiplication with different rules for odd and even products, read by antidiagonals.

Table of values

List of values

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

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

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