A279432 - cp's OEIS frontend

A279432 Triangle read by rows: T(n,k), n>=k>=1, is the number of triangles with integer coordinates that have a bounding box of size n X k.

n	a(n)
1	0
2	0
3	4
4	0
5	10
6	20
7	0
8	16
9	34
10	48
11	0
12	22
13	44
14	70
15	88
16	0
17	28
18	58
19	88
20	118
21	140
22	0
23	34
24	68
25	102
26	140
27	178
28	204
29	0
30	40
31	82
32	124
33	166
34	208
35	250
36	280
37	0
38	46
39	92
40	142
41	184
42	238
43	284
44	334
45	368
46	0
47	52
48	106
49	156
50	214
51	268
52	318
53	376
54	430
55	468
56	0
57	58
58	116
59	178
60	236
61	290

[0, 0, 4, 0, 10, 20, 0, 16, 34, 48, 0, 22, 44, 70, 88, 0, 28, 58, 88, 118, 140, 0, 34, 68, 102, 140, 178, 204, 0, 40, 82, 124, 166, 208, 250, 280, 0, 46, 92, 142, 184, 238, 284, 334, 368, 0, 52, 106, 156, 214, 268, 318, 376, 430, 468, 0, 58, 116, 178, 236, 290]

cp's OEIS Frontend

A279432 Triangle read by rows: T(n,k), n>=k>=1, is the number of triangles with integer coordinates that have a bounding box of size n X k.

Table of values

List of values

n	a(n)
1	0
2	0
3	4
4	0
5	10
6	20
7	0
8	16
9	34
10	48
11	0
12	22
13	44
14	70
15	88
16	0
17	28
18	58
19	88
20	118
21	140
22	0
23	34
24	68
25	102
26	140
27	178
28	204
29	0
30	40
31	82
32	124
33	166
34	208
35	250
36	280
37	0
38	46
39	92
40	142
41	184
42	238
43	284
44	334
45	368
46	0
47	52
48	106
49	156
50	214
51	268
52	318
53	376
54	430
55	468
56	0
57	58
58	116
59	178
60	236
61	290

n	a(n)
1	0
2	0
3	4
4	0
5	10
6	20
7	0
8	16
9	34
10	48
11	0
12	22
13	44
14	70
15	88
16	0
17	28
18	58
19	88
20	118
21	140
22	0
23	34
24	68
25	102
26	140
27	178
28	204
29	0
30	40
31	82
32	124
33	166
34	208
35	250
36	280
37	0
38	46
39	92
40	142
41	184
42	238
43	284
44	334
45	368
46	0
47	52
48	106
49	156
50	214
51	268
52	318
53	376
54	430
55	468
56	0
57	58
58	116
59	178
60	236
61	290

n	a(n)
1	0
2	0
3	4
4	0
5	10
6	20
7	0
8	16
9	34
10	48
11	0
12	22
13	44
14	70
15	88
16	0
17	28
18	58
19	88
20	118
21	140
22	0
23	34
24	68
25	102
26	140
27	178
28	204
29	0
30	40
31	82
32	124
33	166
34	208
35	250
36	280
37	0
38	46
39	92
40	142
41	184
42	238
43	284
44	334
45	368
46	0
47	52
48	106
49	156
50	214
51	268
52	318
53	376
54	430
55	468
56	0
57	58
58	116
59	178
60	236
61	290