OFFSET
0,1
EXAMPLE
The array begins:
4, 6, 6, 10, 10, 18, 18, 34, 34, 66, 66, 130, 130, ...
4, 6, 6, 10, 10, 18, 18, 34, 34, 66, 66, 130, 130, ...
6, 9, 9, 15, 15, 27, 27, 51, 51, 99, 99, 195, 195, ...
6, 9, 9, 15, 15, 27, 27, 51, 51, 99, 99, 195, 195, ...
10, 15, 15, 25, 25, 45, 45, 85, 85, 165, 165, 325, 325, ...
10, 15, 15, 25, 25, 45, 45, 85, 85, 165, 165, 325, 325, ...
18, 27, 27, 45, 45, 81, 81, 153, 153, 297, 297, 585, 585, ...
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, Jul 08 2016
STATUS
approved