OFFSET
0,4
LINKS
Reinhard Zumkeller, Rows n = 0..14 of triangle, flattened
EXAMPLE
Initial rows:
. 0: 0;
. 1: 1;
. 2: 1,3;
. 3: 2,4,8 from a230871(3,*) = [2,2,4,8];
. 4: 3,5,7,9,11,21 from a230871(4,*) = [3,5,3,5,7,9,11,21];
. 5: 5,7,11,13,17,19,23,25,29,55;
. 6: 8,10,12,16,18,22,24,26,30,32,34,36,44,46,50,60,64,66,76,144.
PROG
(Haskell)
import Data.List (sort, nub)
a231330 n k = a231330_tabf !! n !! k
a231330_row n = a231330_tabf !! n
a231330_tabf = map (sort . nub) a230871_tabf
CROSSREFS
KEYWORD
AUTHOR
Reinhard Zumkeller, Nov 07 2013
STATUS
approved