A256419 A121217 smoothed by replacing, for each prime p, the terms equal to either p or 3p with 2p.

1, 4, 6, 4, 4, 8, 6, 10, 12, 10, 14, 10, 14, 18, 14, 16, 24, 20, 22, 25, 22, 30, 22, 26, 27, 26, 36, 26, 28, 42, 32, 34, 38, 34, 38, 34, 38, 45, 48, 35, 40, 49, 44, 56, 46, 50, 46, 52, 46, 54, 60, 58, 55, 58, 65, 58, 70, 63, 62, 66, 62, 64, 62, 68, 72, 74, 75, 74, 78, 74, 76, 81

Offset: 1

Author

N. J. A. Sloane, Apr 06 2015

Keywords

• nonn

Comments

a(n) = A256415(A121217(n)). - Reinhard Zumkeller, Apr 06 2015

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..20632

Crossrefs

Cf. A121217, A256414.

Cf. A256415.

Programs

Haskell

a256419 = a256415 . a121217  -- Reinhard Zumkeller, Apr 06 2015