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Leading diagonal of A083173.
3

%I #3 Dec 05 2013 19:56:14

%S 2,9,15,42,55,117,119,228,207,435,341,666,533,903,705,1272,1003,1647,

%T 1273,2130,1533,2607,1909,3204,2425,3939,2781,4494,3161,5085,3937,

%U 6288,4521,7089,5215,8154,5809,9291,6513,10380,7339,11403,8213,12738,8865

%N Leading diagonal of A083173.

%o (PARI) for(i=1,200,p=prime(i);s=p*((i-1)*(i))/2;k=i;while(denominator((s+k*p)/i)>1,k++);print1(k*p,",")) (Herrgesell)

%Y Cf. A083173, A083175, A083176.

%K nonn

%O 1,1

%A _Amarnath Murthy_, Apr 26 2003

%E More terms from Lambert Herrgesell (zero815(AT)googlemail.com), Dec 30 2005