evil/odious numbers conjectures
Ralf Stephan
ralf at ark.in-berlin.de
Sun Sep 14 16:27:42 CEST 2003
Hello, is this known/proved:
%F A001969 a(0) = 0, a(2n) = a(n) + 2n, a(2n+1) = -a(n) + 6n + 3 (conjectured).
%F A000069 a(0) = 1, a(2n) = a(n) + 2n, a(2n+1) = -a(n) + 6n + 3 (conjectured).
If true, it would make both sequences fall into the same group with
Per Noergaard's A004718 or 2^e0 (A080100).
How would one proceed the proof?
On another note, do seqfans have already seen Shallit's new book?
ralf
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