cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A222351 Number of (n+7)X1 arrays of occupancy after each element moves up to +-n places including 0.

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%I A222351 #5 Jun 02 2025 08:26:20
%S A222351 987,12087,69142,312019,1284780,5094040,19896840,77321250
%N A222351 Number of (n+7)X1 arrays of occupancy after each element moves up to +-n places including 0.
%C A222351 Row 7 of A222345
%e A222351 Some solutions for n=3
%e A222351 ..0....0....2....1....0....1....1....0....0....1....0....0....1....1....0....0
%e A222351 ..0....0....0....0....3....0....1....1....1....1....0....2....3....0....0....1
%e A222351 ..2....0....2....0....0....1....2....1....2....3....0....2....0....3....0....0
%e A222351 ..1....1....2....0....2....1....1....2....3....0....1....0....1....0....4....0
%e A222351 ..0....1....0....2....0....1....1....0....0....2....3....2....2....1....0....4
%e A222351 ..0....1....2....2....1....2....3....0....1....1....1....0....0....2....5....0
%e A222351 ..3....2....2....1....0....4....1....1....0....1....3....0....1....0....1....0
%e A222351 ..0....1....0....2....0....0....0....1....2....1....2....4....1....0....0....0
%e A222351 ..0....1....0....1....2....0....0....1....0....0....0....0....0....2....0....3
%e A222351 ..4....3....0....1....2....0....0....3....1....0....0....0....1....1....0....2
%K A222351 nonn
%O A222351 1,1
%A A222351 _R. H. Hardin_ Feb 16 2013