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A084472
Write n in binary and replace 0 with 00.
2
1, 100, 11, 10000, 1001, 1100, 111, 1000000, 100001, 100100, 10011, 110000, 11001, 11100, 1111, 100000000, 10000001, 10000100, 1000011, 10010000, 1001001, 1001100, 100111, 11000000, 1100001, 1100100, 110011, 1110000
OFFSET
1,2
COMMENTS
a(n)=A007088(A084471(n)).
MATHEMATICA
Table[FromDigits[Flatten[IntegerDigits[n, 2]/.(0->{0, 0})]], {n, 30}] (* Harvey P. Dale, Aug 27 2019 *)
CROSSREFS
Sequence in context: A285648 A084484 A231891 * A276768 A277798 A278467
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, May 27 2003
STATUS
approved