A035877 - cp's OEIS frontend

A035877 Number of points of l_1 norm n in the "diamond" lattice D^+_2, i. e. the rectangular lattice generated by vectors (1, 1) and (-1/2, 1/2).

n	a(n)
0	1
1	2
2	12
3	6
4	24
5	10
6	36
7	14
8	48
9	18
10	60
11	22
12	72
13	26
14	84
15	30
16	96
17	34
18	108
19	38
20	120
21	42
22	132
23	46
24	144
25	50
26	156
27	54
28	168
29	58
30	180
31	62
32	192
33	66
34	204
35	70
36	216
37	74
38	228
39	78
40	240
41	82
42	252
43	86
44	264
45	90
46	276
47	94
48	288
49	98
50	300
51	102
52	312
53	106
54	324
55	110
56	336
57	114
58	348
59	118
60	360
61	122
62	372
63	126
64	384
65	130
66	396

[1, 2, 12, 6, 24, 10, 36, 14, 48, 18, 60, 22, 72, 26, 84, 30, 96, 34, 108, 38, 120, 42, 132, 46, 144, 50, 156, 54, 168, 58, 180, 62, 192, 66, 204, 70, 216, 74, 228, 78, 240, 82, 252, 86, 264, 90, 276, 94, 288, 98, 300, 102, 312, 106, 324, 110, 336, 114, 348, 118, 360, 122, 372, 126, 384, 130, 396]

cp's OEIS Frontend

A035877 Number of points of l_1 norm n in the "diamond" lattice D^+_2, i. e. the rectangular lattice generated by vectors (1, 1) and (-1/2, 1/2).

Table of values

List of values

n	a(n)
0	1
1	2
2	12
3	6
4	24
5	10
6	36
7	14
8	48
9	18
10	60
11	22
12	72
13	26
14	84
15	30
16	96
17	34
18	108
19	38
20	120
21	42
22	132
23	46
24	144
25	50
26	156
27	54
28	168
29	58
30	180
31	62
32	192
33	66
34	204
35	70
36	216
37	74
38	228
39	78
40	240
41	82
42	252
43	86
44	264
45	90
46	276
47	94
48	288
49	98
50	300
51	102
52	312
53	106
54	324
55	110
56	336
57	114
58	348
59	118
60	360
61	122
62	372
63	126
64	384
65	130
66	396

n	a(n)
0	1
1	2
2	12
3	6
4	24
5	10
6	36
7	14
8	48
9	18
10	60
11	22
12	72
13	26
14	84
15	30
16	96
17	34
18	108
19	38
20	120
21	42
22	132
23	46
24	144
25	50
26	156
27	54
28	168
29	58
30	180
31	62
32	192
33	66
34	204
35	70
36	216
37	74
38	228
39	78
40	240
41	82
42	252
43	86
44	264
45	90
46	276
47	94
48	288
49	98
50	300
51	102
52	312
53	106
54	324
55	110
56	336
57	114
58	348
59	118
60	360
61	122
62	372
63	126
64	384
65	130
66	396

n	a(n)
0	1
1	2
2	12
3	6
4	24
5	10
6	36
7	14
8	48
9	18
10	60
11	22
12	72
13	26
14	84
15	30
16	96
17	34
18	108
19	38
20	120
21	42
22	132
23	46
24	144
25	50
26	156
27	54
28	168
29	58
30	180
31	62
32	192
33	66
34	204
35	70
36	216
37	74
38	228
39	78
40	240
41	82
42	252
43	86
44	264
45	90
46	276
47	94
48	288
49	98
50	300
51	102
52	312
53	106
54	324
55	110
56	336
57	114
58	348
59	118
60	360
61	122
62	372
63	126
64	384
65	130
66	396