A049702 - cp's OEIS frontend

A049702 Array T read by diagonals; T(i,j)=number of directions determined by 2 lattice points in [ 0,i ]x[ 0,j ].

n	a(n)
0	0
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	8
13	8
14	1
15	1
16	10
17	12
18	12
19	10
20	1
21	1
22	12
23	14
24	16
25	14
26	12
27	1
28	1
29	14
30	18
31	20
32	20
33	18
34	14
35	1
36	1
37	16
38	20
39	26
40	24
41	26
42	20
43	16
44	1
45	1
46	18
47	24
48	28
49	32
50	32
51	28
52	24
53	18
54	1
55	1
56	20
57	26
58	34
59	34
60	40
61	34
62	34
63	26
64	20
65	1
66	1
67	22
68	30
69	38

[0, 1, 1, 1, 4, 1, 1, 6, 6, 1, 1, 8, 8, 8, 1, 1, 10, 12, 12, 10, 1, 1, 12, 14, 16, 14, 12, 1, 1, 14, 18, 20, 20, 18, 14, 1, 1, 16, 20, 26, 24, 26, 20, 16, 1, 1, 18, 24, 28, 32, 32, 28, 24, 18, 1, 1, 20, 26, 34, 34, 40, 34, 34, 26, 20, 1, 1, 22, 30, 38]

cp's OEIS Frontend

A049702 Array T read by diagonals; T(i,j)=number of directions determined by 2 lattice points in [ 0,i ]x[ 0,j ].

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	8
13	8
14	1
15	1
16	10
17	12
18	12
19	10
20	1
21	1
22	12
23	14
24	16
25	14
26	12
27	1
28	1
29	14
30	18
31	20
32	20
33	18
34	14
35	1
36	1
37	16
38	20
39	26
40	24
41	26
42	20
43	16
44	1
45	1
46	18
47	24
48	28
49	32
50	32
51	28
52	24
53	18
54	1
55	1
56	20
57	26
58	34
59	34
60	40
61	34
62	34
63	26
64	20
65	1
66	1
67	22
68	30
69	38

n	a(n)
0	0
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	8
13	8
14	1
15	1
16	10
17	12
18	12
19	10
20	1
21	1
22	12
23	14
24	16
25	14
26	12
27	1
28	1
29	14
30	18
31	20
32	20
33	18
34	14
35	1
36	1
37	16
38	20
39	26
40	24
41	26
42	20
43	16
44	1
45	1
46	18
47	24
48	28
49	32
50	32
51	28
52	24
53	18
54	1
55	1
56	20
57	26
58	34
59	34
60	40
61	34
62	34
63	26
64	20
65	1
66	1
67	22
68	30
69	38

n	a(n)
0	0
1	1
2	1
3	1
4	4
5	1
6	1
7	6
8	6
9	1
10	1
11	8
12	8
13	8
14	1
15	1
16	10
17	12
18	12
19	10
20	1
21	1
22	12
23	14
24	16
25	14
26	12
27	1
28	1
29	14
30	18
31	20
32	20
33	18
34	14
35	1
36	1
37	16
38	20
39	26
40	24
41	26
42	20
43	16
44	1
45	1
46	18
47	24
48	28
49	32
50	32
51	28
52	24
53	18
54	1
55	1
56	20
57	26
58	34
59	34
60	40
61	34
62	34
63	26
64	20
65	1
66	1
67	22
68	30
69	38