A256416 Positive integers with primes p replaced by 2p and also 3p replaced by 2p, then sorted into increasing order.

1, 4, 4, 4, 6, 6, 8, 10, 10, 10, 12, 14, 14, 14, 16, 18, 20, 22, 22, 22, 24, 25, 26, 26, 26, 27, 28, 30, 32, 34, 34, 34, 35, 36, 38, 38, 38, 40, 42, 44, 45, 46, 46, 46, 48, 49, 50, 52, 54, 55, 56, 58, 58, 58, 60, 62, 62, 62, 63, 64, 65, 66

Offset: 1

Author

N. J. A. Sloane, Apr 05 2015

Keywords

• nonn

Comments

Odd primes p and three times odd primes are missing; twice primes (except 6) each appear three times.

The smoothed version of A064413 (A256417) is a rearrangement of these terms.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A064413, A256415 (the unsorted sequence), A256417.