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Contains the numbers of form 4^k * (2 * (2^m + 1) + 1)^2, k>=0, m>=1, together with 0 and the powers of four. - Ralf Stephan, Apr 09 2014
Table of n, a(n) for n=0..33.
Index entries for sequences operating on GF(2)[X]-polynomials
a(n) = A000695(A114398(n)) = A000290(A114400(n)). Intersection of A000290 and A000695.
Sequence in context: A061283 A242354 A001264 * A029993 A268066 A158988
Adjacent sequences: A114396 A114397 A114398 * A114400 A114401 A114402
Antti Karttunen, Feb 07 2006