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

1,1

Links

Table of n, a(n) for n=1..30.

Example

{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.

Sequence in context: A199305 A096473 A007530 * A088268 A030085 A022006

Adjacent sequences: A157964 A157965 A157966 * A157968 A157969 A157970

Keyword

nonn

Author

Ki Punches, Mar 10 2009

Extensions

Corrected final two sequence terms. Ki Punches, May 01 2009

Edited and corrected by Ray Chandler, May 24 2009

Status

approved