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Distance between k*(n-th prime) and next prime, k=10 case.
7

%I #2 Mar 30 2012 17:26:19

%S 3,1,3,1,3,1,3,1,3,3,1,3,9,1,9,11,3,3,3,9,3,7,9,17,1,3,1,17,1,21,7,9,

%T 3,9,3,1,1,7,23,3,11,1,3,1,3,3,1,7,3,3,3,3,1,11,9,3,3,1,7,9,3,9,9,9,7,

%U 11,3,1,21,1,3,3,1,3,3,3,17,19,3,1,11,1,17,7,1,11,3,13,11,7,3,3,1,9,3,9,9

%N Distance between k*(n-th prime) and next prime, k=10 case.

%C 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=8 A111740, k=9 A111741.

%e a(1)=3 because prime(1)=2 and 10*2+3=23 (prime).

%Y Cf. A001223, A059787, A114245, A114246, A114247, A114248, A111739, A111740, A111741.

%K nonn

%O 1,1

%A _Zak Seidov_, Nov 18 2005