A059121 Smallest sets of 4 consecutive palindromic primes (palprimes) in arithmetic progression. The initial palindromic prime of each set is listed.

1120211, 159202951, 185595581, 190404091, 317565713, 10832723801, 10875857801, 12134643121, 13201010231, 13202120231, 16831813861, 16832623861, 30113031103, 31975057913, 33396769333, 34842724843

Offset

1,1

Links

Table of n, a(n) for n=1..16.

Formula

Sets are found by exhaustive search.

Example

159202951, 159232951, 159262951, 159292951 are consecutive palindromic primes, thus the smallest number is listed.

Crossrefs

Cf. A059120 (3 palprimes in AP), A059122 (5 palprimes in AP).

Sequence in context: A324647 A245662 A186066 * A116175 A278932 A059767

Adjacent sequences: A059118 A059119 A059120 * A059122 A059123 A059124

Keyword

nonn,base,more

Author

Harvey Dubner (harvey(AT)dubner.com), Jan 07 2001

Status

approved