A157967 Least prime of prime quadruplets that are separated by 210 or less from another least prime of prime quadruplet.
5, 11, 101, 191, 1871, 2081, 3251, 3461, 15641, 15731, 397541, 397751, 1006301, 1006331, 1022381, 1022501, 1117601, 1117811, 1246241, 1246361, 1954151, 1954361, 2594951, 2594981, 2731691, 2731901, 2927591, 2927801, 3512051, 3512231
Offset: 1
Keywords
Examples
{5,11}, {11,101} and {101,191} are pairs of least primes of prime quadruplets that are separated by 210 or less, so 5, 11, 101 and 191 are in sequence.
Crossrefs
Subsequence of A007530.
Extensions
Corrected final two sequence terms. Ki Punches, May 01 2009
Edited and corrected by Ray Chandler, May 24 2009