%I #9 Oct 22 2018 01:38:37
%S 1,1,2,1,1,10,1,1,1,1,1,1,1,1
%N a(n) gives the number of configurations of non-attacking rooks up to symmetry on an n X n chessboard such that the number of distinct distances between the rooks is given by A319476(n).
%H Giovanni Resta, <a href="/A320576/a320576.pdf">Illustration of a(3)-a(14)</a>
%e For n = 7 the a(7) = 1 board with A319476(7) = 5 distinct distances is
%e +---+---+---+---+---+---+---+
%e 7 | | | * | | | | |
%e +---+---+---+---+---+---+---+
%e 6 | | | | | | * | |
%e +---+---+---+---+---+---+---+
%e 5 | * | | | | | | |
%e +---+---+---+---+---+---+---+
%e 4 | | | | * | | | |
%e +---+---+---+---+---+---+---+.
%e 3 | | | | | | | * |
%e +---+---+---+---+---+---+---+
%e 2 | | * | | | | | |
%e +---+---+---+---+---+---+---+
%e 1 | | | | | * | | |
%e +---+---+---+---+---+---+---+
%e A B C D E F G
%Y Cf. A319476, A320575, A320576, A320448, A320573, A320574.
%K nonn,more
%O 1,3
%A _Peter Kagey_, Oct 15 2018
%E a(10)-a(14) from _Giovanni Resta_, Oct 21 2018