A034039 - cp's OEIS frontend

A034039 Numbers that are primitively but not imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0).

n	a(n)
1	1
2	2
3	11
4	14
5	22
6	23
7	28
8	37
9	43
10	46
11	53
12	58
13	71
14	74
15	77
16	79
17	86
18	106
19	107
20	109
21	116
22	127
23	134
24	137
25	142
26	149
27	151
28	154
29	158
30	161
31	163
32	193
33	197
34	203
35	211
36	214
37	218
38	226
39	233
40	239
41	253
42	254
43	259
44	263
45	268
46	274
47	281
48	298
49	301
50	302
51	317
52	319
53	322

[1, 2, 11, 14, 22, 23, 28, 37, 43, 46, 53, 58, 71, 74, 77, 79, 86, 106, 107, 109, 116, 127, 134, 137, 142, 149, 151, 154, 158, 161, 163, 193, 197, 203, 211, 214, 218, 226, 233, 239, 253, 254, 259, 263, 268, 274, 281, 298, 301, 302, 317, 319, 322]

cp's OEIS Frontend

A034039 Numbers that are primitively but not imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0).

Table of values

List of values

n	a(n)
1	1
2	2
3	11
4	14
5	22
6	23
7	28
8	37
9	43
10	46
11	53
12	58
13	71
14	74
15	77
16	79
17	86
18	106
19	107
20	109
21	116
22	127
23	134
24	137
25	142
26	149
27	151
28	154
29	158
30	161
31	163
32	193
33	197
34	203
35	211
36	214
37	218
38	226
39	233
40	239
41	253
42	254
43	259
44	263
45	268
46	274
47	281
48	298
49	301
50	302
51	317
52	319
53	322

n	a(n)
1	1
2	2
3	11
4	14
5	22
6	23
7	28
8	37
9	43
10	46
11	53
12	58
13	71
14	74
15	77
16	79
17	86
18	106
19	107
20	109
21	116
22	127
23	134
24	137
25	142
26	149
27	151
28	154
29	158
30	161
31	163
32	193
33	197
34	203
35	211
36	214
37	218
38	226
39	233
40	239
41	253
42	254
43	259
44	263
45	268
46	274
47	281
48	298
49	301
50	302
51	317
52	319
53	322

n	a(n)
1	1
2	2
3	11
4	14
5	22
6	23
7	28
8	37
9	43
10	46
11	53
12	58
13	71
14	74
15	77
16	79
17	86
18	106
19	107
20	109
21	116
22	127
23	134
24	137
25	142
26	149
27	151
28	154
29	158
30	161
31	163
32	193
33	197
34	203
35	211
36	214
37	218
38	226
39	233
40	239
41	253
42	254
43	259
44	263
45	268
46	274
47	281
48	298
49	301
50	302
51	317
52	319
53	322