OFFSET
1,3
COMMENTS
Row n has 2n-1 terms.
LINKS
N. J. A. Sloane, Table of n, a(n) for n = 1..16384 (Rows 1..128, flattened)
EXAMPLE
Triangle begins:
. 1,
. 1,3,4,
. 1,3,5,7,8,
. 1,3,5,9,10,12,13,
. 1,3,5,9,11,13,16,19,20,
. 1,3,5,9,11,15,20,24,25,27,28,
. 1,3,5,9,11,15,21,27,28,30,33,36,37,
. 1,3,5,9,11,15,21,29,30,32,35,40,43,46,47,
. 1,3,5,9,11,15,21,29,31,33,36,41,46,49,54,58,59,
. ...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, May 11 2010
STATUS
approved