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!)
A258628 Number of length n 1..(5+1) arrays with every leading partial sum divisible by 2, 3, 5 or 7 1

%I #4 Jun 06 2015 08:38:40

%S 5,28,125,511,2094,9099,40789,182685,818100,3633049,15953405,70733998,

%T 322727518,1503364221,6999445956,32165622185,145740232841,

%U 653796230890,2924195396658,13163600932253,60217177382329,281484384355033

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

%C Column 5 of A258631

%H R. H. Hardin, <a href="/A258628/b258628.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

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

%e ..2....3....1....5....4....2....1....3....1....1....6....1....2....4....4....1

%e ..1....3....4....1....3....5....4....1....6....2....6....2....6....6....4....4

%e ..5....6....6....6....3....2....5....6....3....4....5....6....4....1....5....4

%e ..5....6....4....6....3....1....3....6....6....2....6....6....4....1....6....6

%e ..5....3....2....2....2....6....3....4....6....4....5....6....1....4....3....2

%e ..6....2....5....2....4....4....2....2....2....4....2....6....1....6....4....6

%e ..2....3....6....4....2....3....6....3....1....4....6....3....5....6....2....4

%Y Cf. A258631

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 06 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 April 19 02:00 EDT 2024. Contains 371782 sequences. (Running on oeis4.)