Pentagonal numbers which are products of three distinct primes.
A381650
Pentagonal numbers which are products of three distinct primes.
Terms
- a(0) =70a(1) =590a(2) =651a(3) =715a(4) =782a(5) =1001a(6) =1162a(7) =1335a(8) =1426a(9) =2035a(10) =2882a(11) =5551a(12) =5735a(13) =6305a(14) =6501a(15) =7107a(16) =7526a(17) =8177a(18) =8626a(19) =9087a(20) =9322a(21) =10795a(22) =11837a(23) =12927a(24) =14065a(25) =20126a(26) =22265a(27) =24897a(28) =25285a(29) =26467
External references
- oeis: A381650