a(n) = k the least number for which k^6 is n digits long and the sum of digits of k^6 is the maximum possible for a 6th power of that length (A373994(n)).
A380567
a(n) = k the least number for which k^6 is n digits long and the sum of digits of k^6 is the maximum possible for a 6th power of that length (A373994(n)).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =7a(6) =12a(7) =16a(8) =23a(9) =46a(10) =64a(11) =96a(12) =143a(13) =202a(14) =277a(15) =461a(16) =547a(17) =977a(18) =1194a(19) =2136a(20) =2896a(21) =3707a(22) =5762a(23) =9763a(24) =13817a(25) =16474a(26) =25847a(27) =43693a(28) =51967a(29) =72539
External references
- oeis: A380567