login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A081986 a(n) = {A081984(n)-1}/d, where d is the product of nonzero digits of A081984(n). 5

%I #6 Dec 05 2013 19:56:03

%S 10,4,2,10,10,10,10,100,34,12,9,30,9,105,30,25,2,100,12,52,27,100,34,

%T 35,100,112,510,210,59,187,230,600,202,205,220,302,102,135,41,225,

%U 1005,144,130,1055,352,355,180,385,126,51,65,175,1000,170,520,234,59,34,1000,525

%N a(n) = {A081984(n)-1}/d, where d is the product of nonzero digits of A081984(n).

%e A081984(11) = 127 hence a(11) = 126/(1*2*7) = 9.

%Y Cf. A081981, A081982, A081983, A081984, A081987.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Apr 04 2003

%E More terms from _Ray Chandler_, Oct 29 2003

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)