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Sum of the n-th antidiagonal of infinite Sudoku-type array A269526.
4

%I #26 Nov 30 2016 01:03:42

%S 1,5,9,16,18,31,43,51,66,77,111,146,128,177,168,202,202,266,296,278,

%T 327,388,393,405,553,497,634,690,639,736,809,792,816,816,985,1006,

%U 1012,1232,1245,1215,1342,1435,1481,1305,1629,1595,1639,1693,1825,1833,2061,2008,2006,2407,2496,2314,2525,2400,2694,2723

%N Sum of the n-th antidiagonal of infinite Sudoku-type array A269526.

%H Alois P. Heinz, <a href="/A274530/b274530.txt">Table of n, a(n) for n = 1..2000</a>

%F a(n) = A274652(n-1) + n.

%e For n = 6 the sum of all elements of the 6th antidiagonal of the square array A269526 is 6 + 7 + 3 + 2 + 8 + 5 = 31, so a(6) = 31.

%Y Cf. A269526, A274529, A274652.

%K nonn

%O 1,2

%A _Omar E. Pol_, Jun 29 2016

%E More terms from _Alois P. Heinz_, Jun 29 2016