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!)
A212867 Number of nondecreasing sequences of n 1..7 integers with no element dividing the sequence sum 2

%I #4 May 29 2012 04:15:04

%S 0,12,29,59,112,199,319,503,733,1067,1508,2104,2827,3801,4974,6404,

%T 8054,10101,12573,15680,19309,23586,28399,33966,40235,47554,55866,

%U 65509,76417,88971,103077,119201,137210,157549,180024,205015,232280,262333,294930

%N Number of nondecreasing sequences of n 1..7 integers with no element dividing the sequence sum

%C Column 7 of A212868

%H R. H. Hardin, <a href="/A212867/b212867.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

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

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

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

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

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

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

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

%e ..6....6....7....6....7....5....7....5....7....7....7....7....7....7....7....7

%K nonn

%O 1,2

%A _R. H. Hardin_ May 29 2012

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 24 12:31 EDT 2024. Contains 371937 sequences. (Running on oeis4.)