Numbers k such that Sum_i ( e(i)/p(i) ) is an integer, where the prime factorization of k is Product_i ( p(i)^e(i) ).
A072873
Numbers k such that Sum_i ( e(i)/p(i) ) is an integer, where the prime factorization of k is Product_i ( p(i)^e(i) ).
Terms
- a(0) =1a(1) =4a(2) =16a(3) =27a(4) =64a(5) =108a(6) =256a(7) =432a(8) =729a(9) =1024a(10) =1728a(11) =2916a(12) =3125a(13) =4096a(14) =6912a(15) =11664a(16) =12500a(17) =16384a(18) =19683a(19) =27648a(20) =46656a(21) =50000a(22) =65536a(23) =78732a(24) =84375a(25) =110592a(26) =186624a(27) =200000a(28) =262144a(29) =314928
External references
- oeis: A072873