A067450 Smallest n-th power starting with 9.

9, 9, 9261, 923521, 9765625, 9474296896, 94931877133, 9682651996416, 922190162669056, 9765625, 952809757913927, 95428956661682176, 96889010407, 9012061295995008299689, 931322574615478515625

Offset: 1

Author

Amarnath Murthy, Feb 05 2002

Keywords

• base
• easy
• nonn

Comments

Terms from Robert G. Wilson v.

Links

• Robert Israel, Table of n, a(n) for n = 1..533

Crossrefs

Cf. A067442, A067443, A067444, A067445, A067446, A067447, A067448, A067449.

Programs

Maple

f:= proc(n) local x, y;
  for x from 2 do
    y:= x^n;
    if floor(y/10^ilog10(y)) = 9 then return x^n fi
  od
end proc:
map(f, [$1..50]); # Robert Israel, Apr 02 2025

Mathematica

a = {}; Do[k = 1; While[First[IntegerDigits[k^n]] != 9, k++ ]; a = Append[a, k^n], {n, 1, 25}]; a (* Robert G. Wilson v *)