A109042 - cp's OEIS frontend

A109042 Square array read by antidiagonals: A(n, k) = lcm(n, k) for n >= 0, k >= 0.

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

[0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 2, 3, 0, 0, 4, 6, 6, 4, 0, 0, 5, 4, 3, 4, 5, 0, 0, 6, 10, 12, 12, 10, 6, 0, 0, 7, 6, 15, 4, 15, 6, 7, 0, 0, 8, 14, 6, 20, 20, 6, 14, 8, 0, 0, 9, 8, 21, 12, 5, 12, 21, 8, 9, 0, 0, 10, 18, 24, 28, 30, 30, 28, 24, 18, 10, 0, 0, 11, 10, 9, 8, 35, 6, 35, 8, 9, 10, 11, 0]

cp's OEIS Frontend

A109042 Square array read by antidiagonals: A(n, k) = lcm(n, k) for n >= 0, k >= 0.

Table of values

List of values

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

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

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