A302641 - cp's OEIS frontend

A302641 Number of nonnegative integers k such that n^2 - 32^k can be written as x^2 + 2y^2 with x and y integers.

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

[0, 1, 2, 1, 3, 3, 3, 1, 3, 4, 4, 3, 4, 4, 5, 1, 4, 4, 4, 4, 5, 4, 3, 3, 6, 5, 5, 4, 5, 5, 5, 1, 4, 5, 6, 4, 5, 5, 6, 4, 5, 6, 6, 4, 7, 4, 7, 3, 3, 7, 4, 5, 6, 6, 5, 4, 7, 6, 6, 5, 6, 5, 6, 1, 7, 5, 6, 5, 7, 7, 4, 4, 6, 5, 8, 5, 6, 7, 5, 4]

cp's OEIS Frontend

A302641 Number of nonnegative integers k such that n^2 - 32^k can be written as x^2 + 2y^2 with x and y integers.

Table of values

List of values

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

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

cp's OEIS Frontend

A302641 Number of nonnegative integers k such that n^2 - 3*2^k can be written as x^2 + 2*y^2 with x and y integers.

Table of values

List of values

A302641 Number of nonnegative integers k such that n^2 - 32^k can be written as x^2 + 2y^2 with x and y integers.

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