Position of 5^n in A051037 (5-smooth numbers).

Terms

a(0) =1a(1) =5a(2) =16a(3) =37a(4) =72a(5) =125a(6) =198a(7) =295a(8) =419a(9) =574a(10) =764a(11) =991a(12) =1259a(13) =1572a(14) =1931a(15) =2342a(16) =2808a(17) =3332a(18) =3918a(19) =4569a(20) =5288a(21) =6078a(22) =6943a(23) =7887a(24) =8913a(25) =10024a(26) =11224a(27) =12515a(28) =13902a(29) =15387