A143219 - cp's OEIS frontend

A143219 Triangle read by rows, A127648 * A000012 * A127773, 1 <= k <= n.

n	a(n)
1	1
2	2
3	6
4	3
5	9
6	18
7	4
8	12
9	24
10	40
11	5
12	15
13	30
14	50
15	75
16	6
17	18
18	36
19	60
20	90
21	126
22	7
23	21
24	42
25	70
26	105
27	147
28	196
29	8
30	24
31	48
32	80
33	120
34	168
35	224
36	288
37	9
38	27
39	54
40	90
41	135
42	189
43	252
44	324
45	405
46	10
47	30
48	60
49	100
50	150
51	210
52	280
53	360
54	450
55	550

[1, 2, 6, 3, 9, 18, 4, 12, 24, 40, 5, 15, 30, 50, 75, 6, 18, 36, 60, 90, 126, 7, 21, 42, 70, 105, 147, 196, 8, 24, 48, 80, 120, 168, 224, 288, 9, 27, 54, 90, 135, 189, 252, 324, 405, 10, 30, 60, 100, 150, 210, 280, 360, 450, 550]

cp's OEIS Frontend

A143219 Triangle read by rows, A127648 * A000012 * A127773, 1 <= k <= n.

Table of values

List of values

n	a(n)
1	1
2	2
3	6
4	3
5	9
6	18
7	4
8	12
9	24
10	40
11	5
12	15
13	30
14	50
15	75
16	6
17	18
18	36
19	60
20	90
21	126
22	7
23	21
24	42
25	70
26	105
27	147
28	196
29	8
30	24
31	48
32	80
33	120
34	168
35	224
36	288
37	9
38	27
39	54
40	90
41	135
42	189
43	252
44	324
45	405
46	10
47	30
48	60
49	100
50	150
51	210
52	280
53	360
54	450
55	550

n	a(n)
1	1
2	2
3	6
4	3
5	9
6	18
7	4
8	12
9	24
10	40
11	5
12	15
13	30
14	50
15	75
16	6
17	18
18	36
19	60
20	90
21	126
22	7
23	21
24	42
25	70
26	105
27	147
28	196
29	8
30	24
31	48
32	80
33	120
34	168
35	224
36	288
37	9
38	27
39	54
40	90
41	135
42	189
43	252
44	324
45	405
46	10
47	30
48	60
49	100
50	150
51	210
52	280
53	360
54	450
55	550

n	a(n)
1	1
2	2
3	6
4	3
5	9
6	18
7	4
8	12
9	24
10	40
11	5
12	15
13	30
14	50
15	75
16	6
17	18
18	36
19	60
20	90
21	126
22	7
23	21
24	42
25	70
26	105
27	147
28	196
29	8
30	24
31	48
32	80
33	120
34	168
35	224
36	288
37	9
38	27
39	54
40	90
41	135
42	189
43	252
44	324
45	405
46	10
47	30
48	60
49	100
50	150
51	210
52	280
53	360
54	450
55	550