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A373791 a(n) = 0 if p = prime(n) is introduced in A373390 by 2*p, or 1 if p is introduced by 3*p. 11

%I #10 Jun 21 2024 20:48:32

%S 1,0,0,1,1,0,0,1,0,0,1,1,1,0,1,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,

%T 1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0

%N a(n) = 0 if p = prime(n) is introduced in A373390 by 2*p, or 1 if p is introduced by 3*p.

%C It is conjectured (see A373790) that every prime p in A373390 is introduced by either 2*p or 3*p, and that exactly 11 primes (listed in A372078) are introduced by 3*p. This would imply that the present sequence is 0 after the 35th term.

%Y Cf. A373390, A372072, A372073, A372078-A372081, A373786-A373790.

%K nonn

%O 1

%A _N. J. A. Sloane_, Jun 21 2024

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Last modified August 26 11:44 EDT 2024. Contains 375456 sequences. (Running on oeis4.)