A030640 - cp's OEIS frontend

A030640 Discriminant of lattice A_n of determinant n+1.

n	a(n)
0	1
1	1
2	-3
3	-2
4	5
5	3
6	-7
7	-4
8	9
9	5
10	-11
11	-6
12	13
13	7
14	-15
15	-8
16	17
17	9
18	-19
19	-10
20	21
21	11
22	-23
23	-12
24	25
25	13
26	-27
27	-14
28	29
29	15
30	-31
31	-16
32	33
33	17
34	-35
35	-18
36	37
37	19
38	-39
39	-20
40	41
41	21
42	-43
43	-22
44	45
45	23
46	-47
47	-24
48	49
49	25
50	-51
51	-26
52	53
53	27
54	-55
55	-28
56	57
57	29
58	-59

[1, 1, -3, -2, 5, 3, -7, -4, 9, 5, -11, -6, 13, 7, -15, -8, 17, 9, -19, -10, 21, 11, -23, -12, 25, 13, -27, -14, 29, 15, -31, -16, 33, 17, -35, -18, 37, 19, -39, -20, 41, 21, -43, -22, 45, 23, -47, -24, 49, 25, -51, -26, 53, 27, -55, -28, 57, 29, -59]

cp's OEIS Frontend

A030640 Discriminant of lattice A_n of determinant n+1.

Table of values

List of values

n	a(n)
0	1
1	1
2	-3
3	-2
4	5
5	3
6	-7
7	-4
8	9
9	5
10	-11
11	-6
12	13
13	7
14	-15
15	-8
16	17
17	9
18	-19
19	-10
20	21
21	11
22	-23
23	-12
24	25
25	13
26	-27
27	-14
28	29
29	15
30	-31
31	-16
32	33
33	17
34	-35
35	-18
36	37
37	19
38	-39
39	-20
40	41
41	21
42	-43
43	-22
44	45
45	23
46	-47
47	-24
48	49
49	25
50	-51
51	-26
52	53
53	27
54	-55
55	-28
56	57
57	29
58	-59

n	a(n)
0	1
1	1
2	-3
3	-2
4	5
5	3
6	-7
7	-4
8	9
9	5
10	-11
11	-6
12	13
13	7
14	-15
15	-8
16	17
17	9
18	-19
19	-10
20	21
21	11
22	-23
23	-12
24	25
25	13
26	-27
27	-14
28	29
29	15
30	-31
31	-16
32	33
33	17
34	-35
35	-18
36	37
37	19
38	-39
39	-20
40	41
41	21
42	-43
43	-22
44	45
45	23
46	-47
47	-24
48	49
49	25
50	-51
51	-26
52	53
53	27
54	-55
55	-28
56	57
57	29
58	-59

n	a(n)
0	1
1	1
2	-3
3	-2
4	5
5	3
6	-7
7	-4
8	9
9	5
10	-11
11	-6
12	13
13	7
14	-15
15	-8
16	17
17	9
18	-19
19	-10
20	21
21	11
22	-23
23	-12
24	25
25	13
26	-27
27	-14
28	29
29	15
30	-31
31	-16
32	33
33	17
34	-35
35	-18
36	37
37	19
38	-39
39	-20
40	41
41	21
42	-43
43	-22
44	45
45	23
46	-47
47	-24
48	49
49	25
50	-51
51	-26
52	53
53	27
54	-55
55	-28
56	57
57	29
58	-59