A052495 - cp's OEIS frontend

A052495 Take n-th prime p, let P = all primes having same digits; a(n) = q-p where q is smallest prime in P >p if q exists; otherwise a(n) = p-r where r is largest prime in P if r exists; otherwise a(n) = 0.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	18
7	54
8	0
9	0
10	0
11	18
12	36
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	54
21	36
22	18
23	0
24	0
25	18
26	0
27	0
28	594
29	0
30	18
31	144
32	180
33	36
34	54
35	270
36	0
37	414
38	450
39	450
40	144
41	18
42	630
43	720
44	54
45	522
46	720
47	0
48	0
49	0
50	0
51	0
52	54
53	180
54	270
55	0
56	0
57	0
58	144
59	450
60	540
61	540
62	54
63	0
64	180
65	18
66	144
67	18
68	36
69	396
70	90
71	0
72	234

[0, 0, 0, 0, 0, 18, 54, 0, 0, 0, 18, 36, 0, 0, 0, 0, 0, 0, 0, 54, 36, 18, 0, 0, 18, 0, 0, 594, 0, 18, 144, 180, 36, 54, 270, 0, 414, 450, 450, 144, 18, 630, 720, 54, 522, 720, 0, 0, 0, 0, 0, 54, 180, 270, 0, 0, 0, 144, 450, 540, 540, 54, 0, 180, 18, 144, 18, 36, 396, 90, 0, 234]

cp's OEIS Frontend

A052495 Take n-th prime p, let P = all primes having same digits; a(n) = q-p where q is smallest prime in P >p if q exists; otherwise a(n) = p-r where r is largest prime in P if r exists; otherwise a(n) = 0.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	18
7	54
8	0
9	0
10	0
11	18
12	36
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	54
21	36
22	18
23	0
24	0
25	18
26	0
27	0
28	594
29	0
30	18
31	144
32	180
33	36
34	54
35	270
36	0
37	414
38	450
39	450
40	144
41	18
42	630
43	720
44	54
45	522
46	720
47	0
48	0
49	0
50	0
51	0
52	54
53	180
54	270
55	0
56	0
57	0
58	144
59	450
60	540
61	540
62	54
63	0
64	180
65	18
66	144
67	18
68	36
69	396
70	90
71	0
72	234

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	18
7	54
8	0
9	0
10	0
11	18
12	36
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	54
21	36
22	18
23	0
24	0
25	18
26	0
27	0
28	594
29	0
30	18
31	144
32	180
33	36
34	54
35	270
36	0
37	414
38	450
39	450
40	144
41	18
42	630
43	720
44	54
45	522
46	720
47	0
48	0
49	0
50	0
51	0
52	54
53	180
54	270
55	0
56	0
57	0
58	144
59	450
60	540
61	540
62	54
63	0
64	180
65	18
66	144
67	18
68	36
69	396
70	90
71	0
72	234

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	18
7	54
8	0
9	0
10	0
11	18
12	36
13	0
14	0
15	0
16	0
17	0
18	0
19	0
20	54
21	36
22	18
23	0
24	0
25	18
26	0
27	0
28	594
29	0
30	18
31	144
32	180
33	36
34	54
35	270
36	0
37	414
38	450
39	450
40	144
41	18
42	630
43	720
44	54
45	522
46	720
47	0
48	0
49	0
50	0
51	0
52	54
53	180
54	270
55	0
56	0
57	0
58	144
59	450
60	540
61	540
62	54
63	0
64	180
65	18
66	144
67	18
68	36
69	396
70	90
71	0
72	234