%I #9 Jul 11 2014 11:49:43
%S 1,2,3,5,7,10,13,17,21,26,31,37,43,49,56,63,71,79,88,97,107,117,128,
%T 139,151,163,175,188,201,215,229,244,259,275,291,308,325,343,361,380,
%U 399,418,438,458,479,500,522,544,567,590,614,638,663,688,714,740,767,794
%N Initial term of n-th group in A075352.
%F a(n) = A075354(n-1)+1 = a(n-1)+A075355(n-1). - _M. F. Hasler_, Jul 19 2012
%Y Cf. A075352, A075354, A075355, A075356.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Sep 19 2002
%E More terms from _David Wasserman_, Jan 16 2005
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