OFFSET
1,2
COMMENTS
In rows n through 2n-1, every integer >= n occurs exactly once.
FORMULA
T(n,1) = n; T(n,2k) = 2T(n,k); T(n,2k+1) = 2T(n,k) + 1. T(n,k) = k + (n-1) * 2^floor(log_2(k)) = k + (n-1)*A053644(k).
EXAMPLE
Top left corner is:
1 2 3 4 5
2 4 5 8 9
3 6 7 12 13
4 8 9 16 17
5 10 11 20 21
CROSSREFS
KEYWORD
AUTHOR
Franklin T. Adams-Watters, Oct 23 2006
STATUS
approved