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%I #10 Jul 25 2019 10:22:14
%S 0,3,6,66,190,45,105,0,2556,1035,5995,8646,1326,16471,210,28680,36856,
%T 46971,0,72010,630,3003,32131,16836,20100,52975,246051,17766,329266,
%U 42195,17205,491536,0,17391,0,49770,55278,0,30381,5460,0,164451,33411,0,4950,85905,584821
%N Least triangular number of the form p*triangular(n) where p is a prime number, or 0 if no such triangular number exists.
%F a(n) = A225787(n) * A000217(n).
%Y Cf. A000217, A068084, A225503, A225787.
%K nonn
%O 0,2
%A _Alex Ratushnyak_, May 16 2013
%E a(28) corrected by _Mansour Qahwaji_, Jul 25 2019
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