A374188 - cp's OEIS frontend

A374188 Array read by ascending antidiagonals: b is a term of row A(a) if and only if K(a/b) != K(A374157(b)/a), where K denotes the Kronecker symbol (A372728), and a = 4*n - 1 for some n >= 1.

n	a(n)
1	2
2	2
3	10
4	2
5	10
6	26
7	2
8	10
9	12
10	28
11	2
12	26
13	12
14	18
15	34
16	2
17	10
18	28
19	18
20	24
21	44
22	2
23	10
24	12
25	34
26	24
27	26
28	50
29	2
30	10
31	12
32	18
33	44
34	26
35	34
36	56
37	2
38	10
39	26
40	18
41	24
42	56
43	28
44	44
45	58
46	2
47	12
48	12
49	28
50	24
51	26
52	58
53	34
54	48
55	74
56	2
57	10
58	18
59	18
60	34
61	26
62	28
63	74
64	42
65	50
66	76

[2, 2, 10, 2, 10, 26, 2, 10, 12, 28, 2, 26, 12, 18, 34, 2, 10, 28, 18, 24, 44, 2, 10, 12, 34, 24, 26, 50, 2, 10, 12, 18, 44, 26, 34, 56, 2, 10, 26, 18, 24, 56, 28, 44, 58, 2, 12, 12, 28, 24, 26, 58, 34, 48, 74, 2, 10, 18, 18, 34, 26, 28, 74, 42, 50, 76]

cp's OEIS Frontend

A374188 Array read by ascending antidiagonals: b is a term of row A(a) if and only if K(a/b) != K(A374157(b)/a), where K denotes the Kronecker symbol (A372728), and a = 4*n - 1 for some n >= 1.

Table of values

List of values

n	a(n)
1	2
2	2
3	10
4	2
5	10
6	26
7	2
8	10
9	12
10	28
11	2
12	26
13	12
14	18
15	34
16	2
17	10
18	28
19	18
20	24
21	44
22	2
23	10
24	12
25	34
26	24
27	26
28	50
29	2
30	10
31	12
32	18
33	44
34	26
35	34
36	56
37	2
38	10
39	26
40	18
41	24
42	56
43	28
44	44
45	58
46	2
47	12
48	12
49	28
50	24
51	26
52	58
53	34
54	48
55	74
56	2
57	10
58	18
59	18
60	34
61	26
62	28
63	74
64	42
65	50
66	76

n	a(n)
1	2
2	2
3	10
4	2
5	10
6	26
7	2
8	10
9	12
10	28
11	2
12	26
13	12
14	18
15	34
16	2
17	10
18	28
19	18
20	24
21	44
22	2
23	10
24	12
25	34
26	24
27	26
28	50
29	2
30	10
31	12
32	18
33	44
34	26
35	34
36	56
37	2
38	10
39	26
40	18
41	24
42	56
43	28
44	44
45	58
46	2
47	12
48	12
49	28
50	24
51	26
52	58
53	34
54	48
55	74
56	2
57	10
58	18
59	18
60	34
61	26
62	28
63	74
64	42
65	50
66	76

n	a(n)
1	2
2	2
3	10
4	2
5	10
6	26
7	2
8	10
9	12
10	28
11	2
12	26
13	12
14	18
15	34
16	2
17	10
18	28
19	18
20	24
21	44
22	2
23	10
24	12
25	34
26	24
27	26
28	50
29	2
30	10
31	12
32	18
33	44
34	26
35	34
36	56
37	2
38	10
39	26
40	18
41	24
42	56
43	28
44	44
45	58
46	2
47	12
48	12
49	28
50	24
51	26
52	58
53	34
54	48
55	74
56	2
57	10
58	18
59	18
60	34
61	26
62	28
63	74
64	42
65	50
66	76