A064825 - cp's OEIS frontend

A064825 Numbers which are the sums of three positive triangular numbers in exactly two different ways.

n	a(n)
1	12
2	17
3	19
4	21
5	22
6	23
7	26
8	27
9	28
10	31
11	32
12	33
13	34
14	35
15	39
16	41
17	42
18	43
19	44
20	46
21	47
22	51
23	54
24	56
25	62
26	64
27	65
28	68
29	74
30	80
31	88
32	89
33	90
34	92
35	95
36	106
37	113
38	123
39	128
40	137
41	141
42	146
43	153
44	164
45	179
46	194
47	200
48	218
49	245
50	281
51	326
52	335

[12, 17, 19, 21, 22, 23, 26, 27, 28, 31, 32, 33, 34, 35, 39, 41, 42, 43, 44, 46, 47, 51, 54, 56, 62, 64, 65, 68, 74, 80, 88, 89, 90, 92, 95, 106, 113, 123, 128, 137, 141, 146, 153, 164, 179, 194, 200, 218, 245, 281, 326, 335]

cp's OEIS Frontend

A064825 Numbers which are the sums of three positive triangular numbers in exactly two different ways.

Table of values

List of values

n	a(n)
1	12
2	17
3	19
4	21
5	22
6	23
7	26
8	27
9	28
10	31
11	32
12	33
13	34
14	35
15	39
16	41
17	42
18	43
19	44
20	46
21	47
22	51
23	54
24	56
25	62
26	64
27	65
28	68
29	74
30	80
31	88
32	89
33	90
34	92
35	95
36	106
37	113
38	123
39	128
40	137
41	141
42	146
43	153
44	164
45	179
46	194
47	200
48	218
49	245
50	281
51	326
52	335

n	a(n)
1	12
2	17
3	19
4	21
5	22
6	23
7	26
8	27
9	28
10	31
11	32
12	33
13	34
14	35
15	39
16	41
17	42
18	43
19	44
20	46
21	47
22	51
23	54
24	56
25	62
26	64
27	65
28	68
29	74
30	80
31	88
32	89
33	90
34	92
35	95
36	106
37	113
38	123
39	128
40	137
41	141
42	146
43	153
44	164
45	179
46	194
47	200
48	218
49	245
50	281
51	326
52	335

n	a(n)
1	12
2	17
3	19
4	21
5	22
6	23
7	26
8	27
9	28
10	31
11	32
12	33
13	34
14	35
15	39
16	41
17	42
18	43
19	44
20	46
21	47
22	51
23	54
24	56
25	62
26	64
27	65
28	68
29	74
30	80
31	88
32	89
33	90
34	92
35	95
36	106
37	113
38	123
39	128
40	137
41	141
42	146
43	153
44	164
45	179
46	194
47	200
48	218
49	245
50	281
51	326
52	335