A034042 - cp's OEIS frontend

A034042 Numbers that are primitively or imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0), but not both.

n	a(n)
1	1
2	2
3	9
4	11
5	14
6	16
7	18
8	22
9	23
10	25
11	28
12	36
13	37
14	43
15	46
16	49
17	50
18	53
19	58
20	71
21	72
22	74
23	77
24	79
25	81
26	86
27	98
28	99
29	100
30	106
31	107
32	109
33	116
34	121
35	126
36	127
37	134
38	137
39	142
40	144
41	149
42	151
43	154
44	158
45	161
46	162
47	163
48	169
49	193
50	196
51	197
52	198
53	200
54	203
55	207
56	211
57	214

[1, 2, 9, 11, 14, 16, 18, 22, 23, 25, 28, 36, 37, 43, 46, 49, 50, 53, 58, 71, 72, 74, 77, 79, 81, 86, 98, 99, 100, 106, 107, 109, 116, 121, 126, 127, 134, 137, 142, 144, 149, 151, 154, 158, 161, 162, 163, 169, 193, 196, 197, 198, 200, 203, 207, 211, 214]

cp's OEIS Frontend

A034042 Numbers that are primitively or imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0), but not both.

Table of values

List of values

n	a(n)
1	1
2	2
3	9
4	11
5	14
6	16
7	18
8	22
9	23
10	25
11	28
12	36
13	37
14	43
15	46
16	49
17	50
18	53
19	58
20	71
21	72
22	74
23	77
24	79
25	81
26	86
27	98
28	99
29	100
30	106
31	107
32	109
33	116
34	121
35	126
36	127
37	134
38	137
39	142
40	144
41	149
42	151
43	154
44	158
45	161
46	162
47	163
48	169
49	193
50	196
51	197
52	198
53	200
54	203
55	207
56	211
57	214

n	a(n)
1	1
2	2
3	9
4	11
5	14
6	16
7	18
8	22
9	23
10	25
11	28
12	36
13	37
14	43
15	46
16	49
17	50
18	53
19	58
20	71
21	72
22	74
23	77
24	79
25	81
26	86
27	98
28	99
29	100
30	106
31	107
32	109
33	116
34	121
35	126
36	127
37	134
38	137
39	142
40	144
41	149
42	151
43	154
44	158
45	161
46	162
47	163
48	169
49	193
50	196
51	197
52	198
53	200
54	203
55	207
56	211
57	214

n	a(n)
1	1
2	2
3	9
4	11
5	14
6	16
7	18
8	22
9	23
10	25
11	28
12	36
13	37
14	43
15	46
16	49
17	50
18	53
19	58
20	71
21	72
22	74
23	77
24	79
25	81
26	86
27	98
28	99
29	100
30	106
31	107
32	109
33	116
34	121
35	126
36	127
37	134
38	137
39	142
40	144
41	149
42	151
43	154
44	158
45	161
46	162
47	163
48	169
49	193
50	196
51	197
52	198
53	200
54	203
55	207
56	211
57	214