OFFSET
2,1
COMMENTS
No other terms below 4^60 ~= 1.3*10^36. The sequence is likely finite and complete. - Max Alekseyev, Aug 29 2023
EXAMPLE
PROG
(PARI) isok(k, n) = #Set(vector(n-1, b, b++; sumdigits(k, b))) == 1;
a(n) = my(k=2); while (!isok(k, n), k++); k; \\ Michel Marcus, Sep 02 2023
CROSSREFS
KEYWORD
nonn,base,hard,more
AUTHOR
Giovanni Resta, Aug 05 2018
EXTENSIONS
a(2) = 2 prepended by Max Alekseyev, Aug 29 2023
STATUS
approved