OFFSET
1,3
COMMENTS
It is conjectured that 106 is the final number in this sequence. 3^106 contains all digits except for 4.
Complement of A236673.
EXAMPLE
3^44 = 984770902183611232881 does not have all ten decimal digits (the 5 is missing), thus 44 is a member of this sequence.
MATHEMATICA
Select[Range[0, 1000], Union[IntegerDigits[3^#]] != Range[0, 9] &] (* T. D. Noe, Jan 29 2014 *)
PROG
(Python)
def PanDigNot(x):
..a = '1234567890'
..for n in range(10**4):
....count = 0
....for i in a:
......if str(x**n).count(i) > 0:
........count += 1
....if count < len(a):
......print(n)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Derek Orr, Jan 29 2014
STATUS
approved