OFFSET
1,2
COMMENTS
LINKS
N. J. A. Sloane, Table of n, a(n) for n = 1..7500
MAPLE
# To get the coordinates of queens in order of appearance; b8[] has list of terms of A065188
M:=7500; c1:=[]; c2:=[];
t1:=[seq(n+b8[n], n=1..M)];
t2:=sort(t1);
for n from 1 to M do
i:=t2[n]; member(i, t1, 'j');
c1:=[op(c1), j]; c2:=[op(c2), b8[j]];
od:
c3:=map(x->x-1, c1):
c4:=map(x->x-1, c2):
[seq(c1[n], n=1..80)]; # A275899
[seq(c2[n], n=1..80)]; # A275900
[seq(c3[n], n=1..80)]; @ A275901
[seq(c4[n], n=1..80)]; @ A275902
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 24 2016
STATUS
approved