A052355 First prime from A031930 (=lesser of 12-twins) with increasing distance to the next 12-twin.

199, 7937, 3331, 3049, 1511, 1789, 28607, 7001, 20599, 2069, 18257, 46477, 1201, 15569, 1459, 467, 23087, 23041, 2399, 6101, 7057, 6607, 23801, 3931, 3499, 9029, 5197, 7841, 3191, 1237, 3259, 45767, 4801, 1811, 1709, 40867, 23497

Offset

1,1

Comments

The smallest distance between 12-twins [A052380(6)] is 12 and its minimal increment is 2.

Links

Table of n, a(n) for n=1..37.

Formula

a(n)=p specifies a quadruple [p, p+12, p+2n+10, p+2n+10+12] with d-pattern of [12, 2n-2, 12].

Example

a(2)=7937 results in [7937, 7949, 7951, 7963] p and [12, 2, 12] d- pattern.
a(5)=1511 specifies [1511, 1523, 1531, 1543] p and [12, 8, 12] d- pattern without prime in the central gap.

Crossrefs

Cf. A031930, A053324, A052380, A052381.

Sequence in context: A195523 A163712 A069244 * A153179 A269549 A324436

Adjacent sequences: A052352 A052353 A052354 * A052356 A052357 A052358

Keyword

nonn

Author

Labos Elemer, Mar 07 2000

Status

approved