A089541 Greater prime factor of semiprimes in A089539.
2, 2, 3, 5, 11, 103, 71, 661, 72577, 329891, 13305601, 4938161, 75024347, 3790360487, 186810624001, 10461394944001, 118562476032001, 24343626257521, 1713311273363831, 117876683047, 4644631106519040001, 3994008464491
Offset: 1