A155030 - cp's OEIS frontend

A155030 Primes p=A000040(n) with prime index n such that the concatenation n//p is a composite number.

n	a(n)
1	5
2	11
3	17
4	31
5	41
6	67
7	109
8	127
9	157
10	191
11	211
12	241
13	277
14	331
15	367
16	401
17	461
18	509
19	547
20	563
21	587
22	599
23	617
24	739
25	773
26	797
27	859
28	877
29	919
30	967
31	991
32	1031
33	1063
34	1087
35	1153
36	1171
37	1201
38	1217
39	1297
40	1409
41	1447
42	1471
43	1499
44	1523
45	1597
46	1621
47	1669
48	1723
49	1741

[5, 11, 17, 31, 41, 67, 109, 127, 157, 191, 211, 241, 277, 331, 367, 401, 461, 509, 547, 563, 587, 599, 617, 739, 773, 797, 859, 877, 919, 967, 991, 1031, 1063, 1087, 1153, 1171, 1201, 1217, 1297, 1409, 1447, 1471, 1499, 1523, 1597, 1621, 1669, 1723, 1741]

cp's OEIS Frontend

A155030 Primes p=A000040(n) with prime index n such that the concatenation n//p is a composite number.

Table of values

List of values