A028954 - cp's OEIS frontend

A028954 Numbers represented by quadratic form with Gram matrix [ 2, 1; 1, 6 ]. (divided by 2).

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	9
7	11
8	12
9	15
10	16
11	20
12	23
13	25
14	27
15	31
16	33
17	36
18	37
19	44
20	45
21	47
22	48
23	49
24	53
25	55
26	59
27	60
28	64
29	67
30	69
31	71
32	75
33	80
34	81
35	89
36	92
37	93
38	97
39	99
40	100
41	103
42	108
43	111
44	113
45	115
46	121
47	124
48	125
49	132
50	135
51	137
52	141
53	144
54	147
55	148
56	155
57	157
58	159
59	163
60	165
61	169
62	176
63	177

[0, 1, 3, 4, 5, 9, 11, 12, 15, 16, 20, 23, 25, 27, 31, 33, 36, 37, 44, 45, 47, 48, 49, 53, 55, 59, 60, 64, 67, 69, 71, 75, 80, 81, 89, 92, 93, 97, 99, 100, 103, 108, 111, 113, 115, 121, 124, 125, 132, 135, 137, 141, 144, 147, 148, 155, 157, 159, 163, 165, 169, 176, 177]

cp's OEIS Frontend

A028954 Numbers represented by quadratic form with Gram matrix [ 2, 1; 1, 6 ]. (divided by 2).

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	9
7	11
8	12
9	15
10	16
11	20
12	23
13	25
14	27
15	31
16	33
17	36
18	37
19	44
20	45
21	47
22	48
23	49
24	53
25	55
26	59
27	60
28	64
29	67
30	69
31	71
32	75
33	80
34	81
35	89
36	92
37	93
38	97
39	99
40	100
41	103
42	108
43	111
44	113
45	115
46	121
47	124
48	125
49	132
50	135
51	137
52	141
53	144
54	147
55	148
56	155
57	157
58	159
59	163
60	165
61	169
62	176
63	177

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	9
7	11
8	12
9	15
10	16
11	20
12	23
13	25
14	27
15	31
16	33
17	36
18	37
19	44
20	45
21	47
22	48
23	49
24	53
25	55
26	59
27	60
28	64
29	67
30	69
31	71
32	75
33	80
34	81
35	89
36	92
37	93
38	97
39	99
40	100
41	103
42	108
43	111
44	113
45	115
46	121
47	124
48	125
49	132
50	135
51	137
52	141
53	144
54	147
55	148
56	155
57	157
58	159
59	163
60	165
61	169
62	176
63	177

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	9
7	11
8	12
9	15
10	16
11	20
12	23
13	25
14	27
15	31
16	33
17	36
18	37
19	44
20	45
21	47
22	48
23	49
24	53
25	55
26	59
27	60
28	64
29	67
30	69
31	71
32	75
33	80
34	81
35	89
36	92
37	93
38	97
39	99
40	100
41	103
42	108
43	111
44	113
45	115
46	121
47	124
48	125
49	132
50	135
51	137
52	141
53	144
54	147
55	148
56	155
57	157
58	159
59	163
60	165
61	169
62	176
63	177