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A059392 a(1)=1; a(n) is a k(n)-almost prime; m is an A-almost prime (for 1<=A); a(n) = smallest number m>a(n-1) such that a(i)+m is an (abs[ A-k(i) ])-almost prime for i = 1,2,3,..,n-1. 1

%I #3 Mar 31 2012 13:50:36

%S 1,2,9,44,72125,759114,461821904

%N a(1)=1; a(n) is a k(n)-almost prime; m is an A-almost prime (for 1<=A); a(n) = smallest number m>a(n-1) such that a(i)+m is an (abs[ A-k(i) ])-almost prime for i = 1,2,3,..,n-1.

%Y Cf. A059333, A059363.

%K hard,nonn

%O 1,2

%A _Naohiro Nomoto_, Jan 29 2001

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Last modified July 29 15:34 EDT 2024. Contains 374734 sequences. (Running on oeis4.)