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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
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, 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, 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
OFFSET
1
COMMENTS
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.
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 21 2024
STATUS
approved