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A163899 Array A(i,j) giving the square of distance from (i,j) to the location where A163357(i,j) is situated in array A054238(i,j), listed antidiagonally as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ... 7

%I #3 Mar 31 2012 13:21:18

%S 0,0,1,9,1,8,9,2,5,18,0,2,4,5,25,1,2,5,2,20,29,0,1,5,9,17,10,36,0,1,4,

%T 9,16,25,36,49,225,1,4,2,16,10,5,25,128,225,170,4,1,17,10,5,18,113,

%U 162,196,170,125,9,16,25,5,10,128,113,149,225,170,125,90,16,9,4,1,128

%N Array A(i,j) giving the square of distance from (i,j) to the location where A163357(i,j) is situated in array A054238(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="/A163899/b163899.txt">Table of n, a(n) for n = 0..32895</a>

%e The top left 8x8 corner of this array:

%e +0 +0 +9 +9 +0 +1 +0 +0

%e +1 +1 +2 +2 +2 +1 +1 +1

%e +8 +5 +4 +5 +5 +4 +4 +4

%e 18 +5 +2 +9 +9 +2 +1 +9

%e 25 20 17 16 16 17 16 16

%e 29 10 25 10 10 25 +9 25

%e 36 36 +5 +5 +5 +4 36 36

%e 49 25 18 10 +1 10 25 49

%Y a(n) = A163900(A163357(n)). Positions of zeros: A165403. See also A163898, A163904.

%K nonn,tabl

%O 0,4

%A _Antti Karttunen_, Sep 19 2009

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)