%I
%S 4,8,12,18,18,22,26,36,32,36,40,54,46,50,95,56,75,62,66,70,93,76,145,
%T 82,86,114,92,96,100,132,106,110,273,116,153,122,126,240,132,174,138,
%U 142,146,192,152,290,158,162,213,168,172,176,231,182,455,188,192,252
%N Consider the triangle shown below in which the nth row contains the n smallest terms in increasing order having a common factor > 1, the first term being the nth composite number; sequence gives the last term of each row.
%C 4
%C 6 8
%C 8 10 12
%C 9 12 15 18
%C 10 12 14 16 18
%C 12 14 16 18 20 22
%C ...
%Y Cf. A079775, A079776.
%K nonn
%O 1,1
%A _Amarnath Murthy_, Jan 31 2003
%E Corrected and extended by _Frank Ellermann_, Jul 11 2003
