A226241 - cp's OEIS frontend

A226241 Primes that cannot be reached from 2 via a chain of primes obtained adding or deleting a digit from the end or the beginning of the previous term of the chain.

n	a(n)
1	89
2	101
3	103
4	107
5	109
6	151
7	163
8	227
9	251
10	257
11	263
12	269
13	281
14	307
15	389
16	401
17	409
18	457
19	503
20	509
21	521
22	557
23	563
24	569
25	587
26	601
27	607
28	701
29	709
30	809
31	821
32	827
33	857
34	863
35	881
36	887
37	907
38	1009
39	1013
40	1019
41	1021
42	1031
43	1033
44	1039
45	1049
46	1051
47	1061
48	1063
49	1069

[89, 101, 103, 107, 109, 151, 163, 227, 251, 257, 263, 269, 281, 307, 389, 401, 409, 457, 503, 509, 521, 557, 563, 569, 587, 601, 607, 701, 709, 809, 821, 827, 857, 863, 881, 887, 907, 1009, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069]

cp's OEIS Frontend

A226241 Primes that cannot be reached from 2 via a chain of primes obtained adding or deleting a digit from the end or the beginning of the previous term of the chain.

Table of values

List of values