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A111740
Distance between k*(n-th prime) and next prime, k=8 case.
7
1, 5, 1, 3, 1, 3, 1, 5, 7, 1, 3, 11, 3, 3, 3, 7, 7, 3, 5, 1, 3, 9, 9, 7, 11, 1, 3, 1, 5, 3, 3, 1, 1, 5, 1, 5, 3, 3, 25, 15, 1, 3, 3, 5, 3, 5, 5, 3, 7, 15, 3, 1, 3, 3, 7, 7, 1, 11, 5, 3, 3, 3, 3, 15, 17, 3, 9, 3, 1, 5, 9, 7, 3, 15, 5, 3, 7, 5, 1, 27, 7, 3, 1, 3, 5, 3, 1, 3, 3, 5, 3, 1, 11, 1, 9, 3, 1, 9, 17
OFFSET
1,2
COMMENTS
Other cases: k=1 A001223 Differences between consecutive primes, k=2 A059787, k=3 A114245, k=4 A114246, k=5 A114247, k=6 A114248, k=7 A111739, k=9 A111741, k=10 A111742.
EXAMPLE
a(1)=1 because prime(1)=2 and 8*2+1=17 (prime).
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 18 2005
STATUS
approved