OFFSET
1,1
COMMENTS
A062518(n) is the maximum power k such that k^n does not contain all ten decimal digits.
EXAMPLE
A062518(43) = 20. And 43^20 = 467056167777397914441056671494001 is missing an 8 and a 2. Thus, 43 is a member of this sequence.
PROG
(Python)
def PanDigNum(x):
..a = '1234567890'
..lst = []
..if DigitSum(x) == 1:
....return None
..for n in range(-200, 0):
....count = 0
....for i in a:
......if str(x**(-n)).count(i) > 0:
........count += 1
......else:
........lst.append(i)
....if count < len(a):
......if len(lst) > 1:
........return x
......else:
........break
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Derek Orr, Jan 29 2014
STATUS
approved