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A097411
Initial decimal digit of n^7.
6
1, 1, 2, 1, 7, 2, 8, 2, 4, 1, 1, 3, 6, 1, 1, 2, 4, 6, 8, 1, 1, 2, 3, 4, 6, 8, 1, 1, 1, 2, 2, 3, 4, 5, 6, 7, 9, 1, 1, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 8, 1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 5, 6, 6, 7, 8, 9, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 6, 6, 6, 7, 8, 8, 9, 1, 1, 1, 1
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Gelfand's Question
EXAMPLE
1, 128, 2187, 16384, 78125, 279936, 823543, 2097152, 4782969, 10000000, ...
MATHEMATICA
Table[First[IntegerDigits[n^7]], {n, 110}] (* Harvey P. Dale, Mar 17 2019 *)
KEYWORD
nonn,base,easy
AUTHOR
Eric W. Weisstein, Aug 16 2004
EXTENSIONS
1 prepended by Harvey P. Dale, Mar 17 2019
STATUS
approved