A354570 - cp's OEIS frontend

A354570 Ordered odd leg lengths k (listed with multiplicity) of primitive Pythagorean triangles such that all prime factors of k are congruent to 3 (mod 4).

n	a(n)
1	3
2	7
3	9
4	11
5	19
6	21
7	21
8	23
9	27
10	31
11	33
12	33
13	43
14	47
15	49
16	57
17	57
18	59
19	63
20	63
21	67
22	69
23	69
24	71
25	77
26	77
27	79
28	81
29	83
30	93
31	93
32	99
33	99
34	103
35	107
36	121
37	127
38	129
39	129
40	131
41	133
42	133
43	139
44	141
45	141
46	147
47	147
48	151
49	161
50	161
51	163
52	167
53	171
54	171
55	177
56	177
57	179
58	189
59	189
60	191

[3, 7, 9, 11, 19, 21, 21, 23, 27, 31, 33, 33, 43, 47, 49, 57, 57, 59, 63, 63, 67, 69, 69, 71, 77, 77, 79, 81, 83, 93, 93, 99, 99, 103, 107, 121, 127, 129, 129, 131, 133, 133, 139, 141, 141, 147, 147, 151, 161, 161, 163, 167, 171, 171, 177, 177, 179, 189, 189, 191]

cp's OEIS Frontend

A354570 Ordered odd leg lengths k (listed with multiplicity) of primitive Pythagorean triangles such that all prime factors of k are congruent to 3 (mod 4).

Table of values

List of values

n	a(n)
1	3
2	7
3	9
4	11
5	19
6	21
7	21
8	23
9	27
10	31
11	33
12	33
13	43
14	47
15	49
16	57
17	57
18	59
19	63
20	63
21	67
22	69
23	69
24	71
25	77
26	77
27	79
28	81
29	83
30	93
31	93
32	99
33	99
34	103
35	107
36	121
37	127
38	129
39	129
40	131
41	133
42	133
43	139
44	141
45	141
46	147
47	147
48	151
49	161
50	161
51	163
52	167
53	171
54	171
55	177
56	177
57	179
58	189
59	189
60	191

n	a(n)
1	3
2	7
3	9
4	11
5	19
6	21
7	21
8	23
9	27
10	31
11	33
12	33
13	43
14	47
15	49
16	57
17	57
18	59
19	63
20	63
21	67
22	69
23	69
24	71
25	77
26	77
27	79
28	81
29	83
30	93
31	93
32	99
33	99
34	103
35	107
36	121
37	127
38	129
39	129
40	131
41	133
42	133
43	139
44	141
45	141
46	147
47	147
48	151
49	161
50	161
51	163
52	167
53	171
54	171
55	177
56	177
57	179
58	189
59	189
60	191

n	a(n)
1	3
2	7
3	9
4	11
5	19
6	21
7	21
8	23
9	27
10	31
11	33
12	33
13	43
14	47
15	49
16	57
17	57
18	59
19	63
20	63
21	67
22	69
23	69
24	71
25	77
26	77
27	79
28	81
29	83
30	93
31	93
32	99
33	99
34	103
35	107
36	121
37	127
38	129
39	129
40	131
41	133
42	133
43	139
44	141
45	141
46	147
47	147
48	151
49	161
50	161
51	163
52	167
53	171
54	171
55	177
56	177
57	179
58	189
59	189
60	191