A001283 - cp's OEIS frontend

A001283 Triangle read by rows, in which row n consists of n(n+m) for m = 1 .. n-1.

n	a(n)
2	6
3	12
4	15
5	20
6	24
7	28
8	30
9	35
10	40
11	45
12	42
13	48
14	54
15	60
16	66
17	56
18	63
19	70
20	77
21	84
22	91
23	72
24	80
25	88
26	96
27	104
28	112
29	120
30	90
31	99
32	108
33	117
34	126
35	135
36	144
37	153
38	110
39	120
40	130
41	140
42	150
43	160
44	170
45	180
46	190
47	132
48	143
49	154
50	165
51	176
52	187
53	198
54	209
55	220
56	231
57	156
58	168
59	180

[6, 12, 15, 20, 24, 28, 30, 35, 40, 45, 42, 48, 54, 60, 66, 56, 63, 70, 77, 84, 91, 72, 80, 88, 96, 104, 112, 120, 90, 99, 108, 117, 126, 135, 144, 153, 110, 120, 130, 140, 150, 160, 170, 180, 190, 132, 143, 154, 165, 176, 187, 198, 209, 220, 231, 156, 168, 180]

cp's OEIS Frontend

A001283 Triangle read by rows, in which row n consists of n(n+m) for m = 1 .. n-1.

Table of values

List of values

n	a(n)
2	6
3	12
4	15
5	20
6	24
7	28
8	30
9	35
10	40
11	45
12	42
13	48
14	54
15	60
16	66
17	56
18	63
19	70
20	77
21	84
22	91
23	72
24	80
25	88
26	96
27	104
28	112
29	120
30	90
31	99
32	108
33	117
34	126
35	135
36	144
37	153
38	110
39	120
40	130
41	140
42	150
43	160
44	170
45	180
46	190
47	132
48	143
49	154
50	165
51	176
52	187
53	198
54	209
55	220
56	231
57	156
58	168
59	180

n	a(n)
2	6
3	12
4	15
5	20
6	24
7	28
8	30
9	35
10	40
11	45
12	42
13	48
14	54
15	60
16	66
17	56
18	63
19	70
20	77
21	84
22	91
23	72
24	80
25	88
26	96
27	104
28	112
29	120
30	90
31	99
32	108
33	117
34	126
35	135
36	144
37	153
38	110
39	120
40	130
41	140
42	150
43	160
44	170
45	180
46	190
47	132
48	143
49	154
50	165
51	176
52	187
53	198
54	209
55	220
56	231
57	156
58	168
59	180

n	a(n)
2	6
3	12
4	15
5	20
6	24
7	28
8	30
9	35
10	40
11	45
12	42
13	48
14	54
15	60
16	66
17	56
18	63
19	70
20	77
21	84
22	91
23	72
24	80
25	88
26	96
27	104
28	112
29	120
30	90
31	99
32	108
33	117
34	126
35	135
36	144
37	153
38	110
39	120
40	130
41	140
42	150
43	160
44	170
45	180
46	190
47	132
48	143
49	154
50	165
51	176
52	187
53	198
54	209
55	220
56	231
57	156
58	168
59	180