OFFSET
1,2
COMMENTS
EXAMPLE
Northwest corner:
1 2 5 10
4 3 8 13
9 7 6 15
16 12 14 11
T(3,4) = 15 because in A097291, the pair 3,4 occurs at positions 15,16.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Clark Kimberling, Aug 05 2004
STATUS
approved