A163898 - OEIS

A163898

Array A(i,j) giving the square of distance from (i,j) to the location where A054238(i,j) is situated in array A163357(i,j), listed antidiagonally as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ...

%I #8 Sep 14 2015 23:35:19

%S 0,0,1,8,1,4,18,5,2,9,0,5,2,5,16,2,1,2,9,10,25,0,1,4,9,16,17,36,0,1,4,

%T 9,16,25,36,49,128,1,2,1,10,9,10,25,64,162,113,4,5,18,5,4,5,50,81,128,

%U 113,100,9,10,5,10,1,64,65,100,128,113,100,89,16,17,20,25,64,81,100

%N Array A(i,j) giving the square of distance from (i,j) to the location where A054238(i,j) is situated in array A163357(i,j), listed antidiagonally as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ...

%H A. Karttunen, <a href="/A163898/b163898.txt">Table of n, a(n) for n = 0..32895</a>

%e The top left 8 X 8 corner of this array:

%e 0 0 8 18 0 2 0 0

%e 1 1 5 5 1 1 1 1

%e 4 2 2 2 4 4 2 4

%e 9 5 9 9 9 1 5 9

%e 16 10 16 16 10 18 10 16

%e 25 17 25 9 5 5 17 25

%e 36 36 10 4 10 20 36 36

%e 49 25 5 1 25 29 25 49

%Y a(n) = A163900(A054238(n)). Positions of zeros: A165403. See also A163899, A163904.

%K nonn,tabl,look

%O 0,4

%A _Antti Karttunen_, Sep 19 2009