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!)
A212539 Number of nondecreasing sequences of 6 1..n integers with every element dividing the sequence sum 1

%I

%S 1,4,8,15,21,40,44,64,76,103,104,148,149,165,197,229,230,271,272,343,

%T 362,367,368,449,457,462,478,521,522,639,640,677,685,688,707,800,801,

%U 804,812,937,938,1011,1012,1026,1094,1097,1098,1204,1208,1241,1246,1262,1263

%N Number of nondecreasing sequences of 6 1..n integers with every element dividing the sequence sum

%C Row 6 of A212536

%H R. H. Hardin, <a href="/A212539/b212539.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

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

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

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

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

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

%e ..3....6....8....4....8....5....8....5....5....6....7....6....2....6....6....8

%K nonn

%O 1,2

%A _R. H. Hardin_ May 20 2012

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 July 5 16:07 EDT 2020. Contains 335473 sequences. (Running on oeis4.)