A338155 - cp's OEIS frontend

A338155 (Smallest prime >= 3^n) - (largest prime <= 3^n).

n	a(n)
1	0
2	4
3	6
4	4
5	10
6	6
7	24
8	10
9	6
10	22
11	36
12	74
13	30
14	10
15	18
16	124
17	44
18	20
19	70
20	16
21	60
22	6
23	52
24	30
25	34
26	22
27	42
28	48
29	144
30	30
31	20
32	104
33	122
34	90
35	50
36	12
37	52
38	18
39	140
40	156
41	72
42	126
43	126
44	42
45	68
46	90
47	98
48	100
49	66
50	74
51	50
52	174
53	30
54	38
55	126
56	72
57	30
58	378
59	102
60	176
61	108
62	130

[0, 4, 6, 4, 10, 6, 24, 10, 6, 22, 36, 74, 30, 10, 18, 124, 44, 20, 70, 16, 60, 6, 52, 30, 34, 22, 42, 48, 144, 30, 20, 104, 122, 90, 50, 12, 52, 18, 140, 156, 72, 126, 126, 42, 68, 90, 98, 100, 66, 74, 50, 174, 30, 38, 126, 72, 30, 378, 102, 176, 108, 130]

cp's OEIS Frontend

A338155 (Smallest prime >= 3^n) - (largest prime <= 3^n).

Table of values

List of values

n	a(n)
1	0
2	4
3	6
4	4
5	10
6	6
7	24
8	10
9	6
10	22
11	36
12	74
13	30
14	10
15	18
16	124
17	44
18	20
19	70
20	16
21	60
22	6
23	52
24	30
25	34
26	22
27	42
28	48
29	144
30	30
31	20
32	104
33	122
34	90
35	50
36	12
37	52
38	18
39	140
40	156
41	72
42	126
43	126
44	42
45	68
46	90
47	98
48	100
49	66
50	74
51	50
52	174
53	30
54	38
55	126
56	72
57	30
58	378
59	102
60	176
61	108
62	130

n	a(n)
1	0
2	4
3	6
4	4
5	10
6	6
7	24
8	10
9	6
10	22
11	36
12	74
13	30
14	10
15	18
16	124
17	44
18	20
19	70
20	16
21	60
22	6
23	52
24	30
25	34
26	22
27	42
28	48
29	144
30	30
31	20
32	104
33	122
34	90
35	50
36	12
37	52
38	18
39	140
40	156
41	72
42	126
43	126
44	42
45	68
46	90
47	98
48	100
49	66
50	74
51	50
52	174
53	30
54	38
55	126
56	72
57	30
58	378
59	102
60	176
61	108
62	130

n	a(n)
1	0
2	4
3	6
4	4
5	10
6	6
7	24
8	10
9	6
10	22
11	36
12	74
13	30
14	10
15	18
16	124
17	44
18	20
19	70
20	16
21	60
22	6
23	52
24	30
25	34
26	22
27	42
28	48
29	144
30	30
31	20
32	104
33	122
34	90
35	50
36	12
37	52
38	18
39	140
40	156
41	72
42	126
43	126
44	42
45	68
46	90
47	98
48	100
49	66
50	74
51	50
52	174
53	30
54	38
55	126
56	72
57	30
58	378
59	102
60	176
61	108
62	130