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%I #6 Dec 05 2013 19:57:01
%S 1,2,4,3,9,15,8,16,28,32,5,25,35,55,65,6,12,18,24,36,48,7,49,77,91,
%T 119,133,161,40,64,80,88,104,128,136,152,27,63,81,99,117,153,171,189,
%U 207,10,20,50,70,100,130,140,160,170,190,11,121,143,187,209,253,319,341,407,451,473,60,72,84,96,108,120,144,168,180,192,204,216,13,169
%N Triangular array read by rows: the n-th row contains the first n multiples of n not included earlier that are coprime to n-1 and n+1.
%e 1
%e 2 4
%e 3 9 15
%e 8 16 28 32
%e 5 25 35 55 65 (45 skipped as 45 is not coprime to 6).
%e 6 12 18 24 36 48
%e ...
%Y Cf. A110340, A110341.
%K easy,nonn,tabl
%O 1,2
%A _Amarnath Murthy_, Jul 20 2005
%E Corrected definition and more terms. - _David Wasserman_, Nov 19 2008
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