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%I #2 Mar 30 2012 17:26:19
%S 1,2,2,4,2,10,4,2,4,2,2,4,4,2,8,2,10,8,4,2,2,8,4,8,4,2,2,4,2,2,8,2,4,
%T 8,20,2,10,4,8,2,2,8,2,4,4,10,2,4,10,2,2,2,10,8,20,4,2,2,10,2,2,10,4,
%U 2,2,4,20,4,14,22,4,20,4,2,2,2,10,8,4,10,8,4,2,10,16,2,8,14,4,10,8,16,8,2,2
%N Distance between k*(n-th prime) and next prime, k=9 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=10 A111742.
%e a(1)=1 because prime(1)=2 and 9*2+1=19 (prime).
%Y Cf. A001223, A059787, A114245, A114246, A114247, A114248, A111739, A111740, A111742.
%K nonn
%O 1,2
%A _Zak Seidov_, Nov 18 2005
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