A208123 Lengths of sequences of sexy primes in arithmetic progression with a common difference of six

5, 3, 3, 4, 4, 2, 3, 3, 2, 3, 3, 2, 2, 2, 3, 4, 3, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 4, 4, 2, 3, 2, 2, 2, 2, 2, 2, 2, 3, 3

Offset

1,1

Comments

No numbers in the sequence are greater than 5, and 5 only appears once, at the start.

Links

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

Example

The first four sequences of sexy primes in arithmetic progression with common difference of six (they are 'chained together') are (5, 11, 17, 23, 29), (7, 13, 19), (31, 37, 43), (41, 47, 53, 59).

Crossrefs

Cf. A023201, A046117.

Sequence in context: A359199 A212493 A011320 * A090489 A090484 A177232

Adjacent sequences: A208120 A208121 A208122 * A208124 A208125 A208126

Keyword

nonn,more

Author

Eliot Ball, Mar 26 2012

Status

approved