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A216094 a(1) = 2; a(n+1) = a(n) + |A036263(n)| + 2. 0

%I

%S 2,5,7,11,15,19,23,27,31,37,43,47,51,55,59,61,67,73,77,81,87,91,95,99,

%T 105,109,113,117,121,133,145,149,155,165,175,181,183,187,191,193,199,

%U 209,219,223,227,239,241,251,255,259,263,269,279,285,287,289,295,301,305,309,319

%N a(1) = 2; a(n+1) = a(n) + |A036263(n)| + 2.

%C The probabilistic primes model.

%C Conjecture: a(n) ~ prime(n).

%F a(1)=2; a(n+1) = a(n) + |prime(n+2) - 2*prime(n+1) + prime(n)| + 2.

%t nxt[{n_,a_}]:={n+1,a+Abs[Prime[n+2]-2Prime[n+1]+Prime[n]]+2}; Transpose[ NestList[nxt,{1,2},60]][[2]] (* _Harvey P. Dale_, Aug 11 2015 *)

%Y Cf. A000040, A036263.

%K nonn

%O 1,1

%A _Thomas Ordowski_, Sep 01 2012

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Last modified October 20 10:21 EDT 2021. Contains 348100 sequences. (Running on oeis4.)