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A118116
a(n) = n concatenated n^2 times.
0
1, 2222, 333333333, 4444444444444444, 5555555555555555555555555, 666666666666666666666666666666666666, 7777777777777777777777777777777777777777777777777
OFFSET
1,2
COMMENTS
Is the partial sum of a(n) ever prime? See also A000461 Concatenate n n times.
FORMULA
a(n) = n concatenated A000290(n) times. a(n) = A000027(n) concatenated A000290(n) times.
MATHEMATICA
Table[FromDigits[Table[n, {n^2}]], {n, 8}] (* Harvey P. Dale, Oct 24 2013 *)
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Jonathan Vos Post, May 11 2006
STATUS
approved