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!)
A254834 Number of length 7 1..(n+1) arrays with every leading partial sum divisible by 2, 3 or 5 1

%I

%S 10,141,1262,5316,31005,69858,207232,455349,1064100,1766942,3855379,

%T 5917097,10665539,17086474,28487211,39458933,66274569,88286570,

%U 135372973,187704485,269256161,341006752,499566860,652466750,884037304,1129942612

%N Number of length 7 1..(n+1) arrays with every leading partial sum divisible by 2, 3 or 5

%C Row 7 of A254827

%H R. H. Hardin, <a href="/A254834/b254834.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

%e ..2....3....2....5....3....5....5....2....2....4....2....2....2....4....5....3

%e ..4....3....2....5....1....1....3....3....1....5....1....3....2....1....5....5

%e ..4....2....4....2....4....3....2....5....1....3....1....3....4....4....5....4

%e ..2....4....1....4....4....3....2....5....5....3....1....4....1....3....3....4

%e ..3....4....5....4....4....4....2....5....5....3....5....3....5....2....4....5

%e ..5....2....1....2....4....4....1....4....4....2....2....5....4....1....4....3

%e ..1....4....5....3....4....1....3....3....4....2....2....2....3....1....1....4

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2015

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 July 4 12:07 EDT 2022. Contains 355075 sequences. (Running on oeis4.)