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A138722
Concatenation of p digits 1, p digits 0 and p digits 1, where p is the n-th prime.
5
110011, 111000111, 111110000011111, 111111100000001111111, 111111111110000000000011111111111, 111111111111100000000000001111111111111
OFFSET
1,1
MATHEMATICA
Table[FromDigits[Join[PadRight[{}, n, 1], PadRight[{}, n, 0], PadRight[{}, n, 1]]], {n, Prime[Range[7]]}] (* Harvey P. Dale, Feb 05 2017 *)
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Omar E. Pol, Mar 29 2008
STATUS
approved