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A164818
Integer average digit of squares.
2
1, 4, 9, 5, 3, 3, 3, 3, 6, 6, 3, 4, 4, 4, 4, 4, 4, 5, 5, 2, 2, 5, 5, 5, 5, 2, 5, 2, 5, 5, 5, 5, 5, 2, 5, 5, 5, 5, 5, 5, 5, 5, 5, 8, 3, 3, 3, 3, 3, 3, 3, 3, 6, 3, 3, 3, 6, 3, 6, 3, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 6, 6, 3, 6, 3, 3, 3, 3, 3, 3, 3, 6, 3, 3, 3, 3, 3, 6, 6, 6, 6, 3, 3, 3, 6, 3, 3, 3, 3, 6, 6, 3, 6
OFFSET
1,2
COMMENTS
a(n)= average digit of squares of A164817(n).
The only n for which a(n) = 9 is 3. a(44) = a(26165) = 8. - Robert Israel, Feb 24 2016
LINKS
MAPLE
f:= proc(n) local L, r;
L:= convert(n^2, base, 10);
r:= convert(L, `+`)/nops(L);
if r::integer then r else NULL fi
end proc:
map(f, [$1..1000]); # Robert Israel, Feb 24 2016
CROSSREFS
Sequence in context: A200396 A011513 A340350 * A065796 A070434 A011003
KEYWORD
base,nonn
AUTHOR
Zak Seidov, Aug 27 2009
STATUS
approved