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A228454
Gap g such that k*2^n-1 , k*2^n-1+g , k*2^n-1+2*g or k*2^n-1-g , k*2^n-1 , k*2^n-1+g are consecutive primes in arithmetic progression for the smallest prime k.
2
2, 12, 6, 6, 6, 6, 24, 6, 6, 12, 6, 30, 18, 6, 18, 6, 30, 6, 6, 36, 6, 18, 36, 12, 6, 6, 6, 6, 6, 72, 6, 6, 6, 6, 6, 6, 18, 6, 6, 60, 6, 12, 6, 12, 18, 6, 18, 6, 30, 30, 60, 48, 78, 36, 54, 78, 36, 6, 6, 54, 6, 54, 12, 78, 6, 108, 108, 30, 6, 60, 24, 48, 18, 6, 42
OFFSET
1,1
COMMENTS
Primes k in A228452.
LINKS
CROSSREFS
Cf. A228452.
Sequence in context: A239111 A112100 A079080 * A278255 A345469 A035877
KEYWORD
nonn
AUTHOR
Pierre CAMI, Oct 27 2013
STATUS
approved