Products of three distinct primes p1, p2 and p3 (sphenic numbers) with p1<p2 and p3 is the concatenation of p1 with p2.
A281592
Products of three distinct primes p1, p2 and p3 (sphenic numbers) with p1<p2 and p3 is the concatenation of p1 with p2.
Terms
- a(0) =138a(1) =777a(2) =4642a(3) =10258a(4) =10263a(5) =12207a(6) =13282a(7) =16167a(8) =19762a(9) =30783a(10) =37407a(11) =38482a(12) =46978a(13) =48927a(14) =56127a(15) =60145a(16) =63543a(17) =73767a(18) =81687a(19) =89823a(20) =95367a(21) =95627a(22) =103863a(23) =110905a(24) =115527a(25) =128545a(26) =202705a(27) =208879a(28) =223643a(29) =284119
External references
- oeis: A281592