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 A162922 Square array read by antidiagonals: m is the a(n,m)th positive integer among those which are coprime to n. Or a(n,m) = 0 if m and n are not coprime. 0
 1, 1, 2, 1, 0, 3, 1, 2, 2, 4, 1, 0, 0, 0, 5, 1, 2, 2, 3, 3, 6, 1, 0, 3, 0, 4, 0, 7, 1, 2, 0, 4, 3, 0, 4, 8, 1, 0, 3, 0, 0, 0, 5, 0, 9 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS EXAMPLE Rows 1 through 7 of the array: n=1: 1,2,3,4,5,6,7,8,9,... n=2: 1,0,2,0,3,0,4,0,5,... n=3: 1,2,0,3,4,0,5,6,0,... n=4: 1,0,2,0,3,0,4,0,5,... n=5: 1,2,3,4,0,5,6,7,8,... n=6: 1,0,0,0,2,0,3,0,0,... n=7: 1,2,3,4,5,6,0,7,8,... CROSSREFS Sequence in context: A141543 A182720 A146540 * A102057 A157497 A225310 Adjacent sequences:  A162919 A162920 A162921 * A162923 A162924 A162925 KEYWORD more,nonn,tabl AUTHOR Leroy Quet, Jul 17 2009 STATUS approved

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Last modified May 18 15:21 EDT 2013. Contains 225422 sequences.