Sequence starting with 1 such that the sum of any two distinct terms has three distinct prime factors.
A181622
Sequence starting with 1 such that the sum of any two distinct terms has three distinct prime factors.
Terms
- a(0) =1a(1) =29a(2) =41a(3) =281a(4) =401a(5) =1089a(6) =1585a(7) =2289a(8) =4629a(9) =27293a(10) =74873a(11) =965813a(12) =2536781a(13) =4479197a(14) =36730306a(15) =150318056a(16) =4527046433
External references
- oeis: A181622