OFFSET
1,2
EXAMPLE
T(n,k) begins:
1, 2, 7, 6, 18, 15, ...
4, 5, 8, 14, 16, 27, ...
3, 9, 12, 17, 26, 31, ...
13, 11, 19, 25, 32, 42, ...
10, 20, 24, 33, 41, 50, ...
21, 23, 34, 39, 51, 60, ...
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Apr 05 2003
EXTENSIONS
Edited and more terms from Alois P. Heinz, Oct 26 2011
STATUS
approved