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A173167 Values n such that n and n+1 are both in A037073. 0

%I #3 Mar 30 2012 18:52:39

%S 1,7,14,99,162,252,330,376,750,966,1022,1079,1637,2156,2288,2352,3389,

%T 4530,4633,4975,5514,6125,6126,6622,6938,7215,7489,8182,8252,8293,

%U 10528,10837,11332

%N Values n such that n and n+1 are both in A037073.

%e a(1)=1 because 18*(A037073(1)+1/2-1/2)^2-1=17=prime, 18*(A037073(1)+1/2-1/2)^2+1=19=prime, 18*(A037073(1)+1/2+1/2)^2-1=71=prime and 18*(A037073(1)+1/1+1/2)^2+1=73=prime.

%Y Cf. A037073.

%K nonn

%O 1,2

%A _Juri-Stepan Gerasimov_, Feb 11 2010

%E Definition corrected and sequence extended beyond a(8) by _R. J. Mathar_, Mar 09 2010

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Last modified April 23 08:33 EDT 2024. Contains 371905 sequences. (Running on oeis4.)