A231330 Table of distinct terms in rows of triangle A230871, in natural order.

0, 1, 1, 3, 2, 4, 8, 3, 5, 7, 9, 11, 21, 5, 7, 11, 13, 17, 19, 23, 25, 29, 55, 8, 10, 12, 16, 18, 22, 24, 26, 30, 32, 34, 36, 44, 46, 50, 60, 64, 66, 76, 144, 13, 17, 19, 23, 25, 29, 31, 35, 37, 41, 43, 47, 49, 53, 55, 61, 65, 67, 71, 73, 77, 79, 83, 89, 95

Offset

0,4

Comments

A230872 gives the union of all rows;

A231335(n) = number of Fibonacci numbers in row n.

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

Cf. A231331 (row lengths), A000045 (left edge), A001906 (right edge).

Sequence in context: A084695 A317704 A201422 * A254051 A082228 A114650

Adjacent sequences: A231327 A231328 A231329 * A231331 A231332 A231333

Keyword

nonn,look,tabf

Author

Reinhard Zumkeller, Nov 07 2013

Status

approved