cp's OEIS Frontend

A200447 Number of 0..n arrays x(0..10) of 11 elements with zero 6th differences.

%I A200447 #7 Jul 22 2025 15:49:21
%S A200447 2,3,4,5,6,7,8,17,26,41,60,93,130,187,256,373,522,717,940,1209,1586,
%T A200447 2121,2728,3513,4412,5477,6734,8393,10272,12585,15230,18267,21728,
%U A200447 25639,30370,36047,42304,49367,57338,66281,76008,87997,101138,115865,132268,150389
%N A200447 Number of 0..n arrays x(0..10) of 11 elements with zero 6th differences.
%C A200447 Row 7 of A200443
%H A200447 R. H. Hardin, <a href="/A200447/b200447.txt">Table of n, a(n) for n = 1..67</a>
%e A200447 Some solutions for n=10
%e A200447 ..4....7....0....5...10...10...10....8....2....8....3....8....2....9....1....6
%e A200447 ..8....2....1....0....2....3...10....6....2....8....7....0...10....9....3....1
%e A200447 .10....3....2....1....4....0...10....2....2....8....9....2....8....9....7....2
%e A200447 ..9....5....3....3....8....0...10....0....2....8....8....6....4....9....9....4
%e A200447 ..6....6....4....4...10....2...10....1....2....8....5....8....2....9....8....5
%e A200447 ..3....6....5....4....9....5...10....4....2....8....2....7....3....9....5....5
%e A200447 ..2....6....6....4....6....8...10....7....2....8....1....4....6....9....2....5
%e A200447 ..4....7....7....5....3...10...10....8....2....8....3....1....9....9....1....6
%e A200447 ..8....9....8....7....2...10...10....6....2....8....7....0...10....9....3....8
%e A200447 .10...10....9....8....4....7...10....2....2....8....9....2....8....9....7....9
%e A200447 ..2....5...10....3....8....0...10....0....2....8....1....6....4....9....9....4
%K A200447 nonn
%O A200447 1,1
%A A200447 _R. H. Hardin_ Nov 18 2011