A052085 Primes whose decimal digits are grouped together.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 103, 107, 109, 113, 127, 137, 139, 149, 157, 163, 167, 173, 179, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307

Offset

1,1

Links

Table of n, a(n) for n=1..58.

Example

101 is not a term since the two digits 1 are separated by the 0.
233 is a term since the digits 2 and 3 are grouped, and it is prime.

Crossrefs

Cf. A052086, A052081, A052082, A052083, A052084.

Sequence in context: A049549 A030291 A242541 * A082646 A231588 A038618

Adjacent sequences: A052082 A052083 A052084 * A052086 A052087 A052088

Keyword

nonn,base

Author

Patrick De Geest, Jan 15 2000

Status

approved