A334130 - cp's OEIS frontend

A334130 Numbers that can be written as a product of distinct triangular numbers.

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	15
7	18
8	21
9	28
10	30
11	36
12	45
13	55
14	60
15	63
16	66
17	78
18	84
19	90
20	91
21	105
22	108
23	120
24	126
25	135
26	136
27	150
28	153
29	165
30	168
31	171
32	180
33	190
34	198
35	210
36	216
37	231
38	234
39	253
40	270
41	273
42	276
43	280
44	300
45	315
46	325
47	330
48	351
49	360
50	378
51	396
52	406
53	408
54	420
55	435
56	450

[0, 1, 3, 6, 10, 15, 18, 21, 28, 30, 36, 45, 55, 60, 63, 66, 78, 84, 90, 91, 105, 108, 120, 126, 135, 136, 150, 153, 165, 168, 171, 180, 190, 198, 210, 216, 231, 234, 253, 270, 273, 276, 280, 300, 315, 325, 330, 351, 360, 378, 396, 406, 408, 420, 435, 450]

cp's OEIS Frontend

A334130 Numbers that can be written as a product of distinct triangular numbers.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	15
7	18
8	21
9	28
10	30
11	36
12	45
13	55
14	60
15	63
16	66
17	78
18	84
19	90
20	91
21	105
22	108
23	120
24	126
25	135
26	136
27	150
28	153
29	165
30	168
31	171
32	180
33	190
34	198
35	210
36	216
37	231
38	234
39	253
40	270
41	273
42	276
43	280
44	300
45	315
46	325
47	330
48	351
49	360
50	378
51	396
52	406
53	408
54	420
55	435
56	450

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	15
7	18
8	21
9	28
10	30
11	36
12	45
13	55
14	60
15	63
16	66
17	78
18	84
19	90
20	91
21	105
22	108
23	120
24	126
25	135
26	136
27	150
28	153
29	165
30	168
31	171
32	180
33	190
34	198
35	210
36	216
37	231
38	234
39	253
40	270
41	273
42	276
43	280
44	300
45	315
46	325
47	330
48	351
49	360
50	378
51	396
52	406
53	408
54	420
55	435
56	450

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	15
7	18
8	21
9	28
10	30
11	36
12	45
13	55
14	60
15	63
16	66
17	78
18	84
19	90
20	91
21	105
22	108
23	120
24	126
25	135
26	136
27	150
28	153
29	165
30	168
31	171
32	180
33	190
34	198
35	210
36	216
37	231
38	234
39	253
40	270
41	273
42	276
43	280
44	300
45	315
46	325
47	330
48	351
49	360
50	378
51	396
52	406
53	408
54	420
55	435
56	450