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a(n)-th prime is the smallest prime containing exactly n 3's.
1

%I #14 Apr 03 2023 10:36:09

%S 1,2,51,345,2602,27062,232466,1935248,17950160,155123231,1022275037,

%T 13076476440,119921146473,1100928006234

%N a(n)-th prime is the smallest prime containing exactly n 3's.

%H Andrew R. Booker, <a href="https://t5k.org/nthprime/">The Nth Prime Page</a>

%t (* see A037059 for f *) PrimePi[ Table[ f[n, 3], {n, 1, 13}]]

%Y Cf. A037059, A034388.

%K nonn,base,hard

%O 0,2

%A _Patrick De Geest_, Jan 04 1999

%E Edited and extended by _Robert G. Wilson v_, Jul 04 2003

%E a(0)=1 prepended by _Sean A. Irvine_, Dec 06 2020