A258149 - cp's OEIS frontend

A258149 Triangle of the absolute difference of the two legs (catheti) of primitive Pythagorean triangles.

n	a(n)
2	1
3	0
4	7
5	7
6	0
7	17
8	0
9	1
10	0
11	31
12	23
13	0
14	0
15	0
16	49
17	0
18	17
19	0
20	23
21	0
22	71
23	47
24	0
25	7
26	0
27	41
28	0
29	97
30	0
31	41
32	0
33	7
34	0
35	0
36	0
37	127
38	79
39	0
40	31
41	0
42	0
43	0
44	89
45	0
46	161
47	0
48	73
49	0
50	17
51	0
52	47
53	0
54	119
55	0
56	199
57	119
58	0
59	0
60	0
61	1
62	0
63	73
64	0
65	0
66	0
67	241

[1, 0, 7, 7, 0, 17, 0, 1, 0, 31, 23, 0, 0, 0, 49, 0, 17, 0, 23, 0, 71, 47, 0, 7, 0, 41, 0, 97, 0, 41, 0, 7, 0, 0, 0, 127, 79, 0, 31, 0, 0, 0, 89, 0, 161, 0, 73, 0, 17, 0, 47, 0, 119, 0, 199, 119, 0, 0, 0, 1, 0, 73, 0, 0, 0, 241]

cp's OEIS Frontend

A258149 Triangle of the absolute difference of the two legs (catheti) of primitive Pythagorean triangles.

Table of values

List of values

n	a(n)
2	1
3	0
4	7
5	7
6	0
7	17
8	0
9	1
10	0
11	31
12	23
13	0
14	0
15	0
16	49
17	0
18	17
19	0
20	23
21	0
22	71
23	47
24	0
25	7
26	0
27	41
28	0
29	97
30	0
31	41
32	0
33	7
34	0
35	0
36	0
37	127
38	79
39	0
40	31
41	0
42	0
43	0
44	89
45	0
46	161
47	0
48	73
49	0
50	17
51	0
52	47
53	0
54	119
55	0
56	199
57	119
58	0
59	0
60	0
61	1
62	0
63	73
64	0
65	0
66	0
67	241

n	a(n)
2	1
3	0
4	7
5	7
6	0
7	17
8	0
9	1
10	0
11	31
12	23
13	0
14	0
15	0
16	49
17	0
18	17
19	0
20	23
21	0
22	71
23	47
24	0
25	7
26	0
27	41
28	0
29	97
30	0
31	41
32	0
33	7
34	0
35	0
36	0
37	127
38	79
39	0
40	31
41	0
42	0
43	0
44	89
45	0
46	161
47	0
48	73
49	0
50	17
51	0
52	47
53	0
54	119
55	0
56	199
57	119
58	0
59	0
60	0
61	1
62	0
63	73
64	0
65	0
66	0
67	241

n	a(n)
2	1
3	0
4	7
5	7
6	0
7	17
8	0
9	1
10	0
11	31
12	23
13	0
14	0
15	0
16	49
17	0
18	17
19	0
20	23
21	0
22	71
23	47
24	0
25	7
26	0
27	41
28	0
29	97
30	0
31	41
32	0
33	7
34	0
35	0
36	0
37	127
38	79
39	0
40	31
41	0
42	0
43	0
44	89
45	0
46	161
47	0
48	73
49	0
50	17
51	0
52	47
53	0
54	119
55	0
56	199
57	119
58	0
59	0
60	0
61	1
62	0
63	73
64	0
65	0
66	0
67	241