a(n) is the largest number whose fourth power is an n-digit which has the maximum sum of digits (A373914(n)).
A380797
a(n) is the largest number whose fourth power is an n-digit which has the maximum sum of digits (A373914(n)).
Terms
- a(0) =1a(1) =3a(2) =5a(3) =8a(4) =16a(5) =26a(6) =56a(7) =88a(8) =118a(9) =308a(10) =518a(11) =974a(12) =1768a(13) =2868a(14) =5396a(15) =8979a(16) =17306a(17) =28871a(18) =55368a(19) =97063a(20) =167622a(21) =289146a(22) =562341a(23) =835718a(24) =1727156a(25) =3154276a(26) =5623116a(27) =9397404a(28) =17728256a(29) =27831542
External references
- oeis: A380797