A249549 Conjectured largest number k not divisible by 10 such that k^k has exactly n distinct decimal digits.

2, 3, 6, 8, 7, 14, 15, 17, 34

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Prog

(PARI) a(n)=k=100; while((k&&#vecsort(digits(k^k), , 8)!=n)||k%10==0, k--); k
vector(9, n, a(n))

Crossrefs

Sequence in context: A193909 A211603 A221956 * A193905 A127293 A355296

Adjacent sequences: A249546 A249547 A249548 * A249550 A249551 A249552

Keyword

nonn,base,fini,full

Author

Derek Orr, Oct 31 2014

Status

approved