A135048 - OEIS

%I #10 Sep 06 2024 08:06:24

%S 2,6,11,30,32,64,1346,1349,1367,10715,12253,26886,733412,733420,

%T 733533,734596,6363182,6363183,6363289,7437658,503193257,503193259,

%U 503279746,504057767,1346029458,4555878955,12238593622,1035905650780,309353882444942,2907021742443975

%N Indices of primes with digit product = 3.

%C The corresponding primes are in A107689.

%H Amiram Eldar, <a href="/A135048/b135048.txt">Table of n, a(n) for n = 1..37</a> (calculated using Kim Walisch's primecount)

%H Kim Walisch, <a href="https://github.com/kimwalisch/primecount">Fast C++ prime counting function implementation (primecount)</a>.

%F a(n) = primepi(A107689(n)).

%Y Cf. A107611, A107612, A107689.

%K nonn,base

%O 1,1

%A _Zak Seidov_, Feb 11 2008

%E a(26)-a(30) from _Amiram Eldar_, Sep 06 2024