A052086 Primes with at least one of the decimal digits occurring separated.

101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, 1013, 1019, 1021, 1031, 1051, 1061, 1091, 1151, 1171, 1181, 1201, 1213, 1217, 1231, 1291, 1301, 1303, 1319, 1321, 1361, 1373, 1381, 1451, 1471, 1481, 1511, 1531, 1571, 1601, 1613

Offset

1,1

Comments

The first 15 terms are palindromic.

Links

Table of n, a(n) for n=1..45.

Example

1471 is a term since the two digits 1 are separated by the substring 47.
Prime 277 is not a term since the only repeated digits (77) are grouped.

Crossrefs

Cf. A052085, A052081, A052082, A052083, A052084.

Sequence in context: A060916 A075793 A319049 * A154270 A056730 A077798

Adjacent sequences: A052083 A052084 A052085 * A052087 A052088 A052089

Keyword

nonn,base

Author

Patrick De Geest, Jan 15 2000

Extensions

Offset changed to 1 by Jon E. Schoenfield, Oct 17 2019

Status

approved