A067777 Numbers n such that (2n)!*B(6n) is an integer where B(k) are the Bernoulli numbers B(1)=-1/2 B(2)=1/6 B(4)=-1/30... B(2m+1)=0 m>1.

19, 28, 31, 43, 49, 57, 59, 67, 71, 79, 82, 84, 85, 88, 93, 97, 106, 108, 109, 117, 127, 129, 130, 133, 139, 145, 148, 149, 150, 157, 159, 160, 163, 164, 167, 169, 171, 184, 185, 193, 196, 197, 199