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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A081987 a(n) = {A081982(n)+1}/d, where d is the product of nonzero digits of A081982(n). 5

%I

%S 12,4,102,38,44,4,106,13,104,36,6,338,511,344,177,368,601,87,102,14,

%T 434,267,30,13,123,38,334,1006,1056,4,1004,168,178,1028,56,1002,36,

%U 1017,49,29,128,334,6,1014,46,478,1677,160,3368,10112,1126,5106,852,183,114

%N a(n) = {A081982(n)+1}/d, where d is the product of nonzero digits of A081982(n).

%e A081982(6) = 167 hence a(6) = 168/(1*6*7) = 4.

%Y Cf. A081981, A081982, A081983, A081984, A081986.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Apr 04 2003

%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003

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 August 6 18:25 EDT 2020. Contains 336256 sequences. (Running on oeis4.)