A338919 - cp's OEIS frontend

A338919 Square array of distinct positive integers T(n, k), n > 0, k > 0, read by antidiagonals upwards, filled the greedy way such that for any n > 0 and k > 0, T(n, k) is divisible by n and by k.

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	12
9	18
10	16
11	5
12	20
13	15
14	24
15	10
16	30
17	40
18	36
19	48
20	50
21	42
22	7
23	54
24	45
25	28
26	60
27	66
28	14
29	32
30	56
31	72
32	80
33	100
34	78
35	70
36	64
37	27
38	88
39	21
40	84
41	25
42	96
43	63
44	104
45	81
46	90
47	108
48	120
49	112
50	150
51	180
52	140
53	144
54	126
55	110
56	11
57	130
58	99
59	128
60	35
61	102
62	105
63	136
64	117
65	160
66	22

[1, 2, 4, 3, 6, 9, 8, 12, 18, 16, 5, 20, 15, 24, 10, 30, 40, 36, 48, 50, 42, 7, 54, 45, 28, 60, 66, 14, 32, 56, 72, 80, 100, 78, 70, 64, 27, 88, 21, 84, 25, 96, 63, 104, 81, 90, 108, 120, 112, 150, 180, 140, 144, 126, 110, 11, 130, 99, 128, 35, 102, 105, 136, 117, 160, 22]

cp's OEIS Frontend

A338919 Square array of distinct positive integers T(n, k), n > 0, k > 0, read by antidiagonals upwards, filled the greedy way such that for any n > 0 and k > 0, T(n, k) is divisible by n and by k.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	12
9	18
10	16
11	5
12	20
13	15
14	24
15	10
16	30
17	40
18	36
19	48
20	50
21	42
22	7
23	54
24	45
25	28
26	60
27	66
28	14
29	32
30	56
31	72
32	80
33	100
34	78
35	70
36	64
37	27
38	88
39	21
40	84
41	25
42	96
43	63
44	104
45	81
46	90
47	108
48	120
49	112
50	150
51	180
52	140
53	144
54	126
55	110
56	11
57	130
58	99
59	128
60	35
61	102
62	105
63	136
64	117
65	160
66	22

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	12
9	18
10	16
11	5
12	20
13	15
14	24
15	10
16	30
17	40
18	36
19	48
20	50
21	42
22	7
23	54
24	45
25	28
26	60
27	66
28	14
29	32
30	56
31	72
32	80
33	100
34	78
35	70
36	64
37	27
38	88
39	21
40	84
41	25
42	96
43	63
44	104
45	81
46	90
47	108
48	120
49	112
50	150
51	180
52	140
53	144
54	126
55	110
56	11
57	130
58	99
59	128
60	35
61	102
62	105
63	136
64	117
65	160
66	22

n	a(n)
1	1
2	2
3	4
4	3
5	6
6	9
7	8
8	12
9	18
10	16
11	5
12	20
13	15
14	24
15	10
16	30
17	40
18	36
19	48
20	50
21	42
22	7
23	54
24	45
25	28
26	60
27	66
28	14
29	32
30	56
31	72
32	80
33	100
34	78
35	70
36	64
37	27
38	88
39	21
40	84
41	25
42	96
43	63
44	104
45	81
46	90
47	108
48	120
49	112
50	150
51	180
52	140
53	144
54	126
55	110
56	11
57	130
58	99
59	128
60	35
61	102
62	105
63	136
64	117
65	160
66	22