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A094695
Numbers having in binary representation fewer ones than in their squares.
2
5, 9, 10, 11, 13, 17, 18, 19, 20, 21, 22, 25, 26, 27, 29, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 49, 50, 51, 52, 53, 54, 55, 57, 58, 59, 61, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 93, 97, 98, 99
OFFSET
1,1
LINKS
FORMULA
A000120(a(n)) < A000120(A000290(a(n))).
MATHEMATICA
Select[Range[100], DigitCount[#, 2, 1]<DigitCount[#^2, 2, 1]&] (* Harvey P. Dale, May 29 2017 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, May 20 2004
STATUS
approved