1,1

These are the odd numbers excluding 1 and 5. Every term in A005767 is n*2^k for some k.

T. D. Noe, Table of n, a(n) for n = 1..1000

G.f.: x*(-2*x^2 + x + 3)/(x - 1)^2. - Chai Wah Wu, Sep 14 2018

Cf. A005767.

Sequence in context: A180442 A165631 A245586 * A288444 A085820 A045572

Adjacent sequences: A005815 A005816 A005817 * A005819 A005820 A005821

nonn

N. J. A. Sloane, RALPH PETERSON (ralphp(AT)LIBRARY.NRL.NAVY.MIL)

Name corrected by T. D. Noe, Nov 12 2010

approved