A266153 - cp's OEIS frontend

A266153 Least positive integer y such that -n = x^4 - y^3 + z^2 for some positive integers x and z, or 0 if no such y exists.

n	a(n)
1	3
2	3
3	2
4	6
5	13
6	2
7	3
8	5
9	5
10	3
11	28
12	4
13	15
14	4
15	10
16	33
17	3
18	7
19	5
20	238
21	31
22	3
23	4
24	5
25	3
26	11
27	4
28	5
29	21
30	11
31	6
32	4
33	17
34	11
35	5
36	98
37	7
38	4
39	4
40	5
41	147
42	19
43	5
44	4
45	5
46	6
47	4
48	29
49	75
50	1011
51	7
52	9
53	7
54	4
55	8
56	6
57	59
58	47
59	4
60	5
61	71
62	4
63	17
64	45
65	13
66	7
67	18
68	9
69	175
70	8

[3, 3, 2, 6, 13, 2, 3, 5, 5, 3, 28, 4, 15, 4, 10, 33, 3, 7, 5, 238, 31, 3, 4, 5, 3, 11, 4, 5, 21, 11, 6, 4, 17, 11, 5, 98, 7, 4, 4, 5, 147, 19, 5, 4, 5, 6, 4, 29, 75, 1011, 7, 9, 7, 4, 8, 6, 59, 47, 4, 5, 71, 4, 17, 45, 13, 7, 18, 9, 175, 8]

cp's OEIS Frontend

A266153 Least positive integer y such that -n = x^4 - y^3 + z^2 for some positive integers x and z, or 0 if no such y exists.

Table of values

List of values