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A095138 Indices of primes in A095137(n). 0

%I

%S 1,3,4,5,6,7,17,22,25,29,34,40,58,78,99,146,249,554,767,963

%N Indices of primes in A095137(n).

%t f[n_] := Abs[ Product[ Prime[i], {i, 2, n, 2}] + Product[ Prime[i], {i, 1, n, 2}]]; f[1] = 2; Do[ If[ PrimeQ[ f[n]], Print[n]], {n, 1000}]

%Y Cf. A095137.

%K nonn

%O 1,2

%A _Robert G. Wilson v_, May 28 2004

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Last modified January 25 16:42 EST 2020. Contains 331245 sequences. (Running on oeis4.)