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%I #15 Oct 14 2023 00:03:51
%S 4,7,15,26,54,73,115,143,200,297,340,461,559,619,731,904,1098,1178,
%T 1393,1556,1652,1912,2103,2391,2785,3008,3150,3392,3535,3789,4647,
%U 4941,5363,5555,6299,6495,6963,7481,7864,8403,8968,9196,10115,10364,10805,11068,12271
%N Number of distinct products i*j with 0 <= i, j <= n-th prime.
%p seq(A027384(ithprime(n)),n=1..40) ; # _R. J. Mathar_, Jun 09 2016
%o (Python)
%o from sympy import prime
%o def A027419(n): return len({i*j for i in range(1,prime(n)+1) for j in range(1,i+1)})+1 # _Chai Wah Wu_, Oct 13 2023
%Y Cf. A027384.
%K nonn,easy
%O 1,1
%A _N. J. A. Sloane_
%E More terms from _Olivier Gérard_, Nov 15 1997
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