A302290 - cp's OEIS frontend

A302290 a(n) is the 2-norm of denominators of two-variable polynomials of degree n which are integer-valued.

n	a(n)
0	1
1	2
2	1
3	2
4	4
5	2
6	1
7	4
8	5
9	2
10	4
11	8
12	4
13	2
14	5
15	6
16	5
17	4
18	8
19	10
20	5
21	4
22	9
23	10
24	4
25	8
26	16
27	8
28	4
29	10
30	9
31	6
32	9
33	12
34	12
35	12
36	9
37	8
38	13
39	12
40	8
41	16
42	20
43	10
44	9
45	14
46	13
47	12
48	12
49	18
50	21
51	12
52	9
53	18
54	20
55	8
56	16
57	32
58	16
59	8
60	20
61	18
62	9
63	14
64	25
65	20
66	16
67	20
68	17
69	16
70	17
71	20
72	24
73	24
74	24
75	20
76	17
77	18
78	21
79	22
80	20
81	28
82	29
83	16
84	17
85	28
86	24

[1, 2, 1, 2, 4, 2, 1, 4, 5, 2, 4, 8, 4, 2, 5, 6, 5, 4, 8, 10, 5, 4, 9, 10, 4, 8, 16, 8, 4, 10, 9, 6, 9, 12, 12, 12, 9, 8, 13, 12, 8, 16, 20, 10, 9, 14, 13, 12, 12, 18, 21, 12, 9, 18, 20, 8, 16, 32, 16, 8, 20, 18, 9, 14, 25, 20, 16, 20, 17, 16, 17, 20, 24, 24, 24, 20, 17, 18, 21, 22, 20, 28, 29, 16, 17, 28, 24]

cp's OEIS Frontend

A302290 a(n) is the 2-norm of denominators of two-variable polynomials of degree n which are integer-valued.

Table of values

List of values

n	a(n)
0	1
1	2
2	1
3	2
4	4
5	2
6	1
7	4
8	5
9	2
10	4
11	8
12	4
13	2
14	5
15	6
16	5
17	4
18	8
19	10
20	5
21	4
22	9
23	10
24	4
25	8
26	16
27	8
28	4
29	10
30	9
31	6
32	9
33	12
34	12
35	12
36	9
37	8
38	13
39	12
40	8
41	16
42	20
43	10
44	9
45	14
46	13
47	12
48	12
49	18
50	21
51	12
52	9
53	18
54	20
55	8
56	16
57	32
58	16
59	8
60	20
61	18
62	9
63	14
64	25
65	20
66	16
67	20
68	17
69	16
70	17
71	20
72	24
73	24
74	24
75	20
76	17
77	18
78	21
79	22
80	20
81	28
82	29
83	16
84	17
85	28
86	24

n	a(n)
0	1
1	2
2	1
3	2
4	4
5	2
6	1
7	4
8	5
9	2
10	4
11	8
12	4
13	2
14	5
15	6
16	5
17	4
18	8
19	10
20	5
21	4
22	9
23	10
24	4
25	8
26	16
27	8
28	4
29	10
30	9
31	6
32	9
33	12
34	12
35	12
36	9
37	8
38	13
39	12
40	8
41	16
42	20
43	10
44	9
45	14
46	13
47	12
48	12
49	18
50	21
51	12
52	9
53	18
54	20
55	8
56	16
57	32
58	16
59	8
60	20
61	18
62	9
63	14
64	25
65	20
66	16
67	20
68	17
69	16
70	17
71	20
72	24
73	24
74	24
75	20
76	17
77	18
78	21
79	22
80	20
81	28
82	29
83	16
84	17
85	28
86	24

n	a(n)
0	1
1	2
2	1
3	2
4	4
5	2
6	1
7	4
8	5
9	2
10	4
11	8
12	4
13	2
14	5
15	6
16	5
17	4
18	8
19	10
20	5
21	4
22	9
23	10
24	4
25	8
26	16
27	8
28	4
29	10
30	9
31	6
32	9
33	12
34	12
35	12
36	9
37	8
38	13
39	12
40	8
41	16
42	20
43	10
44	9
45	14
46	13
47	12
48	12
49	18
50	21
51	12
52	9
53	18
54	20
55	8
56	16
57	32
58	16
59	8
60	20
61	18
62	9
63	14
64	25
65	20
66	16
67	20
68	17
69	16
70	17
71	20
72	24
73	24
74	24
75	20
76	17
77	18
78	21
79	22
80	20
81	28
82	29
83	16
84	17
85	28
86	24