A255395 Number of distinct terms in row n of A255313.

1, 2, 3, 2, 3, 4, 5, 6, 7, 6, 7, 7, 7, 8, 9, 9, 9, 10, 10, 11, 12, 12, 13, 13, 13, 14, 13, 13, 14, 15, 15, 16, 17, 17, 18, 19, 19, 18, 19, 19, 20, 21, 20, 21, 22, 22, 21, 22, 22, 23, 24, 24, 25, 26, 26, 27, 27, 28, 27, 26, 25, 26, 27, 24, 25, 26, 26, 27, 28

Offset: 1

Author

Reinhard Zumkeller, Feb 22 2015

Keywords

• nonn

Comments

Row lengths for table A255316;

a(n) = A001221(A255427(n)) = A001222(A255427(n)).

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A255313, A255316, A255427.

Programs

Haskell

import Data.List (nub)
a255395 = length . nub . a255313_row