A259531 - cp's OEIS frontend

A259531 Least positive integer k such that p(k)^2 + p(k*n)^2 is prime, where p(.) is the partition function given by A000041, or 0 if no such k exists.

n	a(n)
1	1
2	1
3	14
4	11
5	6
6	31
7	2
8	34
9	2
10	76
11	1
12	100
13	71
14	38
15	1
16	7
17	62
18	1128
19	1
20	180
21	123
22	15
23	174
24	128
25	4
26	111
27	110
28	2
29	4
30	2
31	2241
32	21
33	144
34	416
35	397
36	31
37	11
38	8
39	15
40	5
41	91
42	56
43	53
44	23
45	89
46	18
47	25
48	341
49	12
50	1
51	66
52	454
53	159
54	36
55	573
56	26
57	2
58	488
59	72
60	416
61	802
62	440
63	28
64	30
65	595
66	17
67	236
68	947
69	1289
70	1287
71	1000
72	367
73	80
74	407
75	1
76	77
77	938
78	150
79	36
80	1

[1, 1, 14, 11, 6, 31, 2, 34, 2, 76, 1, 100, 71, 38, 1, 7, 62, 1128, 1, 180, 123, 15, 174, 128, 4, 111, 110, 2, 4, 2, 2241, 21, 144, 416, 397, 31, 11, 8, 15, 5, 91, 56, 53, 23, 89, 18, 25, 341, 12, 1, 66, 454, 159, 36, 573, 26, 2, 488, 72, 416, 802, 440, 28, 30, 595, 17, 236, 947, 1289, 1287, 1000, 367, 80, 407, 1, 77, 938, 150, 36, 1]

cp's OEIS Frontend

A259531 Least positive integer k such that p(k)^2 + p(k*n)^2 is prime, where p(.) is the partition function given by A000041, or 0 if no such k exists.

Table of values

List of values