A060428 - cp's OEIS frontend

A060428 Numbers of form x^2 + xy + y^2 (with repetitions if more than one representation is possible).

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	19
10	21
11	25
12	27
13	28
14	31
15	36
16	37
17	39
18	43
19	48
20	49
21	49
22	52
23	57
24	61
25	63
26	64
27	67
28	73
29	75
30	76
31	79
32	81
33	84
34	91
35	91
36	93
37	97
38	100
39	103
40	108
41	109
42	111
43	112
44	117
45	121
46	124
47	127
48	129
49	133
50	133
51	139
52	144
53	147
54	147
55	148
56	151
57	156
58	157
59	163
60	169
61	169
62	171

[1, 3, 4, 7, 9, 12, 13, 16, 19, 21, 25, 27, 28, 31, 36, 37, 39, 43, 48, 49, 49, 52, 57, 61, 63, 64, 67, 73, 75, 76, 79, 81, 84, 91, 91, 93, 97, 100, 103, 108, 109, 111, 112, 117, 121, 124, 127, 129, 133, 133, 139, 144, 147, 147, 148, 151, 156, 157, 163, 169, 169, 171]

cp's OEIS Frontend

A060428 Numbers of form x^2 + xy + y^2 (with repetitions if more than one representation is possible).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	19
10	21
11	25
12	27
13	28
14	31
15	36
16	37
17	39
18	43
19	48
20	49
21	49
22	52
23	57
24	61
25	63
26	64
27	67
28	73
29	75
30	76
31	79
32	81
33	84
34	91
35	91
36	93
37	97
38	100
39	103
40	108
41	109
42	111
43	112
44	117
45	121
46	124
47	127
48	129
49	133
50	133
51	139
52	144
53	147
54	147
55	148
56	151
57	156
58	157
59	163
60	169
61	169
62	171

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	19
10	21
11	25
12	27
13	28
14	31
15	36
16	37
17	39
18	43
19	48
20	49
21	49
22	52
23	57
24	61
25	63
26	64
27	67
28	73
29	75
30	76
31	79
32	81
33	84
34	91
35	91
36	93
37	97
38	100
39	103
40	108
41	109
42	111
43	112
44	117
45	121
46	124
47	127
48	129
49	133
50	133
51	139
52	144
53	147
54	147
55	148
56	151
57	156
58	157
59	163
60	169
61	169
62	171

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	12
7	13
8	16
9	19
10	21
11	25
12	27
13	28
14	31
15	36
16	37
17	39
18	43
19	48
20	49
21	49
22	52
23	57
24	61
25	63
26	64
27	67
28	73
29	75
30	76
31	79
32	81
33	84
34	91
35	91
36	93
37	97
38	100
39	103
40	108
41	109
42	111
43	112
44	117
45	121
46	124
47	127
48	129
49	133
50	133
51	139
52	144
53	147
54	147
55	148
56	151
57	156
58	157
59	163
60	169
61	169
62	171