A229766 Odd numbers whose square's binary reversal is also a square.

1, 3, 4523, 11991, 18197, 66075, 72225, 141683, 1092489, 3168099, 6001209, 6226335, 6435309, 12489657, 17906499, 50429883, 51928701, 68301841, 295742437, 390117873, 542959199, 554456167, 566494057

Offset: 1

Author

Alex Ratushnyak, Dec 19 2013

Keywords

• nonn
• base

Comments

A003166 is a subsequence, except A003166(1)=0.

All odd numbers n such that A068527(A030101(n^2)) = 0. - Antti Karttunen, Dec 20 2013

Crossrefs

Cf. A000290, A003166, A030101, A068527, A229687.

Formula

a(n) = sqrt(A229687(n)).