A133761 Primes such that the sum of any two terms, plus one, is a prime.

5, 7, 11, 101, 1481, 3911, 67421, 67751, 7592471, 1922120561, 3015551711, 19694875121, 4397554721831, 29626637107421, 55746215858141, 3544413963914171

Offset

1,1

Comments

Note sequence cannot start with 3.

Links

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

Example

11 is a term in the sequence because 11+5+1 = 17 is a prime as is 11+7+1 = 19.

Crossrefs

Cf. A037100.

Sequence in context: A218275 A086140 A104387 * A057659 A098040 A263880

Adjacent sequences: A133758 A133759 A133760 * A133762 A133763 A133764

Keyword

more,nonn

Author

Randy L. Ekl, Jan 01 2008

Extensions

3 more terms from Donovan Johnson, Mar 06 2008

a(13)-a(16) from Don Reble, Feb 25 2015. - N. J. A. Sloane, Mar 01 2015

Status

approved