login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A151784 6^{wt(n)-1} where wt(n) is the binary weight of n (A000120). 1

%I

%S 1,1,6,1,6,6,36,1,6,6,36,6,36,36,216,1,6,6,36,6,36,36,216,6,36,36,216,

%T 36,216,216,1296,1,6,6,36,6,36,36,216,6,36,36,216,36,216,216,1296,6,

%U 36,36,216,36,216,216,1296,36,216,216,1296,216,1296,1296,7776,1,6,6,36,6,36,36

%N 6^{wt(n)-1} where wt(n) is the binary weight of n (A000120).

%e Contribution from _Omar E. Pol_, Jul 21 2009: (Start)

%e If written as a triangle:

%e 1;

%e 1,6;

%e 1,6,6,36;

%e 1,6,6,36,6,36,36,216;

%e 1,6,6,36,6,36,36,216,6,36,36,216,36,216,216,1296;

%e 1,6,6,36,6,36,36,216,6,36,36,216,36,216,216,1296,6,36,36,216,36,216,216,...

%e (End)

%Y Cf. A048896, A147610, A151780, A151783, A000120.

%Y Cf. A000400. [From _Omar E. Pol_, Jul 21 2009]

%K nonn

%O 1,3

%A _N. J. A. Sloane_, Jun 25 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 23 04:16 EST 2020. Contains 331168 sequences. (Running on oeis4.)