A013602 - cp's OEIS frontend

A013602 a(n) = nextprime(4^n)-4^n.

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	7
6	3
7	27
8	1
9	3
10	7
11	15
12	43
13	15
14	3
15	3
16	15
17	25
18	31
19	7
20	15
21	15
22	7
23	15
24	21
25	55
26	21
27	159
28	81
29	69
30	33
31	135
32	13
33	9
34	33
35	25
36	15
37	37
38	15
39	7
40	13
41	9
42	3
43	27
44	7
45	133
46	25
47	129
48	61
49	7
50	277
51	267
52	111
53	99
54	33
55	27
56	25
57	43
58	33
59	25
60	451
61	277
62	67
63	7
64	51
65	169
66	67
67	27
68	85
69	87

[1, 1, 1, 3, 1, 7, 3, 27, 1, 3, 7, 15, 43, 15, 3, 3, 15, 25, 31, 7, 15, 15, 7, 15, 21, 55, 21, 159, 81, 69, 33, 135, 13, 9, 33, 25, 15, 37, 15, 7, 13, 9, 3, 27, 7, 133, 25, 129, 61, 7, 277, 267, 111, 99, 33, 27, 25, 43, 33, 25, 451, 277, 67, 7, 51, 169, 67, 27, 85, 87]

cp's OEIS Frontend

A013602 a(n) = nextprime(4^n)-4^n.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	7
6	3
7	27
8	1
9	3
10	7
11	15
12	43
13	15
14	3
15	3
16	15
17	25
18	31
19	7
20	15
21	15
22	7
23	15
24	21
25	55
26	21
27	159
28	81
29	69
30	33
31	135
32	13
33	9
34	33
35	25
36	15
37	37
38	15
39	7
40	13
41	9
42	3
43	27
44	7
45	133
46	25
47	129
48	61
49	7
50	277
51	267
52	111
53	99
54	33
55	27
56	25
57	43
58	33
59	25
60	451
61	277
62	67
63	7
64	51
65	169
66	67
67	27
68	85
69	87

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	7
6	3
7	27
8	1
9	3
10	7
11	15
12	43
13	15
14	3
15	3
16	15
17	25
18	31
19	7
20	15
21	15
22	7
23	15
24	21
25	55
26	21
27	159
28	81
29	69
30	33
31	135
32	13
33	9
34	33
35	25
36	15
37	37
38	15
39	7
40	13
41	9
42	3
43	27
44	7
45	133
46	25
47	129
48	61
49	7
50	277
51	267
52	111
53	99
54	33
55	27
56	25
57	43
58	33
59	25
60	451
61	277
62	67
63	7
64	51
65	169
66	67
67	27
68	85
69	87

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	7
6	3
7	27
8	1
9	3
10	7
11	15
12	43
13	15
14	3
15	3
16	15
17	25
18	31
19	7
20	15
21	15
22	7
23	15
24	21
25	55
26	21
27	159
28	81
29	69
30	33
31	135
32	13
33	9
34	33
35	25
36	15
37	37
38	15
39	7
40	13
41	9
42	3
43	27
44	7
45	133
46	25
47	129
48	61
49	7
50	277
51	267
52	111
53	99
54	33
55	27
56	25
57	43
58	33
59	25
60	451
61	277
62	67
63	7
64	51
65	169
66	67
67	27
68	85
69	87