0,2
Fixed points of the Doudna sequence: A005940(a(n))=A005941(a(n))=a(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 23 2006
a(n) = if n<5 then n+1 else 2*a(n-3). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 23 2006
Cf. A122132, A000079, A007283, A020714.
Sequence in context: A018541 A018293 A015702 this_sequence A095381 A158292 A141341
Adjacent sequences: A029744 A029745 A029746 this_sequence A029748 A029749 A029750
nonn
N. J. A. Sloane (njas(AT)research.att.com).
Search completed in 0.002 seconds