A097265 - cp's OEIS frontend

A097265 Primitive Pythagorean Quadruples a^2+b^2+c^2=d^2, 0 gcd(a,b,c,d)=1, sorted by d, then c, then b; sequence gives long even leg values.

n	a(n)
1	2
2	6
3	4
4	8
5	6
6	6
7	12
8	10
9	14
10	12
11	12
12	10
13	6
14	18
15	16
16	16
17	8
18	20
19	18
20	18
21	22
22	16
23	20
24	22
25	10
26	14
27	10
28	26
29	16
30	24
31	24
32	18
33	22
34	14
35	30
36	20
37	20
38	28
39	28
40	8
41	32
42	32
43	26
44	30
45	30
46	10
47	24
48	28
49	28
50	36
51	26
52	22
53	26
54	34
55	34
56	14
57	24
58	24
59	32
60	24
61	12
62	30
63	30
64	38
65	18
66	42
67	42
68	28
69	28
70	20
71	40
72	40

[2, 6, 4, 8, 6, 6, 12, 10, 14, 12, 12, 10, 6, 18, 16, 16, 8, 20, 18, 18, 22, 16, 20, 22, 10, 14, 10, 26, 16, 24, 24, 18, 22, 14, 30, 20, 20, 28, 28, 8, 32, 32, 26, 30, 30, 10, 24, 28, 28, 36, 26, 22, 26, 34, 34, 14, 24, 24, 32, 24, 12, 30, 30, 38, 18, 42, 42, 28, 28, 20, 40, 40]

cp's OEIS Frontend

A097265 Primitive Pythagorean Quadruples a^2+b^2+c^2=d^2, 0 gcd(a,b,c,d)=1, sorted by d, then c, then b; sequence gives long even leg values.

Table of values

List of values

n	a(n)
1	2
2	6
3	4
4	8
5	6
6	6
7	12
8	10
9	14
10	12
11	12
12	10
13	6
14	18
15	16
16	16
17	8
18	20
19	18
20	18
21	22
22	16
23	20
24	22
25	10
26	14
27	10
28	26
29	16
30	24
31	24
32	18
33	22
34	14
35	30
36	20
37	20
38	28
39	28
40	8
41	32
42	32
43	26
44	30
45	30
46	10
47	24
48	28
49	28
50	36
51	26
52	22
53	26
54	34
55	34
56	14
57	24
58	24
59	32
60	24
61	12
62	30
63	30
64	38
65	18
66	42
67	42
68	28
69	28
70	20
71	40
72	40

n	a(n)
1	2
2	6
3	4
4	8
5	6
6	6
7	12
8	10
9	14
10	12
11	12
12	10
13	6
14	18
15	16
16	16
17	8
18	20
19	18
20	18
21	22
22	16
23	20
24	22
25	10
26	14
27	10
28	26
29	16
30	24
31	24
32	18
33	22
34	14
35	30
36	20
37	20
38	28
39	28
40	8
41	32
42	32
43	26
44	30
45	30
46	10
47	24
48	28
49	28
50	36
51	26
52	22
53	26
54	34
55	34
56	14
57	24
58	24
59	32
60	24
61	12
62	30
63	30
64	38
65	18
66	42
67	42
68	28
69	28
70	20
71	40
72	40

n	a(n)
1	2
2	6
3	4
4	8
5	6
6	6
7	12
8	10
9	14
10	12
11	12
12	10
13	6
14	18
15	16
16	16
17	8
18	20
19	18
20	18
21	22
22	16
23	20
24	22
25	10
26	14
27	10
28	26
29	16
30	24
31	24
32	18
33	22
34	14
35	30
36	20
37	20
38	28
39	28
40	8
41	32
42	32
43	26
44	30
45	30
46	10
47	24
48	28
49	28
50	36
51	26
52	22
53	26
54	34
55	34
56	14
57	24
58	24
59	32
60	24
61	12
62	30
63	30
64	38
65	18
66	42
67	42
68	28
69	28
70	20
71	40
72	40