A126699 Lesser of twin simili-primes of order 2.

5, 28, 148, 281, 419, 718, 778, 839, 916, 1126, 1199, 1318, 1438, 1486, 1499, 1871, 1979, 1991, 2308, 2518, 2729, 3946, 4126, 4546, 4649, 4931, 6046, 6089, 6779, 7859, 8009, 8218, 8351, 8518, 9689, 10006, 10498, 10606, 10859, 11111, 11279, 11698, 12106, 12196

Offset

1,1

Comments

q > p are "twin simili-primes of order 2" if (p, q) are in A123929 and satisfy q - p = 3. Conjecture : this sequence is infinite.

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

Formula

Sequence gives A123929(k) for k such that A123929(k+1) - A123929(k) = 3.

Crossrefs

Cf. A123929, A126700.

Sequence in context: A271686 A272288 A283516 * A267828 A164537 A015536

Adjacent sequences: A126696 A126697 A126698 * A126700 A126701 A126702

Keyword

nonn

Author

Benoit Cloitre, Feb 11 2007

Extensions

More terms from Amiram Eldar, Dec 20 2019

Status

approved