A214026 Numbers n such that 2n is the average of two distinct k-almost primes (generalization of semiprimes) in more ways than for any smaller even number.

1, 4, 5, 8, 10, 12, 15, 18, 24, 30, 36, 45, 48, 60, 72, 84, 90, 120, 144, 168, 180, 210, 240, 288, 300, 330, 336, 360, 420, 480, 504, 540, 600, 630, 720

Offset: 1

Author

Juri-Stepan Gerasimov, Jul 13 2012

Keywords

• nonn
• less

Comments

Positions of records in A214154.

Crossrefs

Cf. A002375, A045917, A053033, A214154.