A175270 - cp's OEIS frontend

A175270 Numbers k such that the least number of squares that add up to k equals the least number of triangular numbers that add up to k. Equivalently, A002828(k) = A061336(k).

n	a(n)
1	0
2	1
3	2
4	13
5	14
6	18
7	19
8	20
9	29
10	33
11	34
12	35
13	36
14	37
15	44
16	54
17	58
18	59
19	61
20	62
21	65
22	72
23	73
24	75
25	77
26	86
27	90
28	96
29	97
30	101
31	106
32	107
33	118
34	129
35	130
36	131
37	134
38	137
39	138
40	140
41	146
42	147
43	148
44	152
45	155
46	157
47	158
48	160
49	161
50	164
51	166
52	176
53	179
54	181
55	184
56	187
57	193
58	195
59	200

[0, 1, 2, 13, 14, 18, 19, 20, 29, 33, 34, 35, 36, 37, 44, 54, 58, 59, 61, 62, 65, 72, 73, 75, 77, 86, 90, 96, 97, 101, 106, 107, 118, 129, 130, 131, 134, 137, 138, 140, 146, 147, 148, 152, 155, 157, 158, 160, 161, 164, 166, 176, 179, 181, 184, 187, 193, 195, 200]

cp's OEIS Frontend

A175270 Numbers k such that the least number of squares that add up to k equals the least number of triangular numbers that add up to k. Equivalently, A002828(k) = A061336(k).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	13
5	14
6	18
7	19
8	20
9	29
10	33
11	34
12	35
13	36
14	37
15	44
16	54
17	58
18	59
19	61
20	62
21	65
22	72
23	73
24	75
25	77
26	86
27	90
28	96
29	97
30	101
31	106
32	107
33	118
34	129
35	130
36	131
37	134
38	137
39	138
40	140
41	146
42	147
43	148
44	152
45	155
46	157
47	158
48	160
49	161
50	164
51	166
52	176
53	179
54	181
55	184
56	187
57	193
58	195
59	200

n	a(n)
1	0
2	1
3	2
4	13
5	14
6	18
7	19
8	20
9	29
10	33
11	34
12	35
13	36
14	37
15	44
16	54
17	58
18	59
19	61
20	62
21	65
22	72
23	73
24	75
25	77
26	86
27	90
28	96
29	97
30	101
31	106
32	107
33	118
34	129
35	130
36	131
37	134
38	137
39	138
40	140
41	146
42	147
43	148
44	152
45	155
46	157
47	158
48	160
49	161
50	164
51	166
52	176
53	179
54	181
55	184
56	187
57	193
58	195
59	200

n	a(n)
1	0
2	1
3	2
4	13
5	14
6	18
7	19
8	20
9	29
10	33
11	34
12	35
13	36
14	37
15	44
16	54
17	58
18	59
19	61
20	62
21	65
22	72
23	73
24	75
25	77
26	86
27	90
28	96
29	97
30	101
31	106
32	107
33	118
34	129
35	130
36	131
37	134
38	137
39	138
40	140
41	146
42	147
43	148
44	152
45	155
46	157
47	158
48	160
49	161
50	164
51	166
52	176
53	179
54	181
55	184
56	187
57	193
58	195
59	200