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A081998
Square array read by antidiagonals, alternating upwards and downwards: T(i, j) is the least number that is greater than the previous term and coprime to every number on the same row or column.
4
1, 2, 3, 4, 5, 7, 9, 11, 13, 17, 19, 21, 23, 26, 29, 31, 37, 41, 43, 47, 49, 53, 59, 60, 61, 63, 67, 71, 73, 79, 83, 88, 89, 97, 101, 103, 107, 109, 113, 115, 127, 131, 137, 139, 143, 149, 151, 155, 157, 161, 163, 167, 169, 173, 179, 181, 187, 191, 193, 197, 198, 199
OFFSET
0,2
COMMENTS
Is the sequence related to A067126? This should exhibit some number-theoretic properties.
LINKS
EXAMPLE
Array begins:
1, 2, 7, 9, ...
3, 5, 11, ...
4, 13, ...
17, ...
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Amarnath Murthy, Apr 05 2003
EXTENSIONS
More terms from David Wasserman, Jul 28 2004
STATUS
approved