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A097409
Initial decimal digit of n^5.
7
1, 3, 2, 1, 3, 7, 1, 3, 5, 1, 1, 2, 3, 5, 7, 1, 1, 1, 2, 3, 4, 5, 6, 7, 9, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 6, 6, 7, 9, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 8, 8, 9, 9, 1, 1, 1, 1, 1, 1
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Gelfand's Question
EXAMPLE
1, 32, 243, 1024, 3125, 7776, 16807, 32768, 59049, 100000, ...
MAPLE
a:= n-> parse(""||(n^5)[1]):
seq(a(n), n=1..120); # Alois P. Heinz, Jan 28 2016
KEYWORD
nonn,base,easy
AUTHOR
Eric W. Weisstein, Aug 16 2004
STATUS
approved