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a(n) = (prime(n+1) - prime(n))^pi(n).
0

%I #4 Aug 17 2021 19:40:36

%S 1,2,4,16,8,64,16,256,1296,16,7776,1024,64,4096,46656,46656,128,

%T 279936,65536,256,1679616,65536,10077696,134217728,262144,512,262144,

%U 512,1048576,289254654976,4194304,362797056,2048,100000000000,2048

%N a(n) = (prime(n+1) - prime(n))^pi(n).

%t Table[(Prime[n + 1] - Prime[n])^PrimePi[n], {n, 50}]

%Y Cf. A001223.

%K nonn

%O 1,2

%A _Roger L. Bagula_, Jun 29 2005