A274530 Sum of the n-th antidiagonal of infinite Sudoku-type array A269526.

1, 5, 9, 16, 18, 31, 43, 51, 66, 77, 111, 146, 128, 177, 168, 202, 202, 266, 296, 278, 327, 388, 393, 405, 553, 497, 634, 690, 639, 736, 809, 792, 816, 816, 985, 1006, 1012, 1232, 1245, 1215, 1342, 1435, 1481, 1305, 1629, 1595, 1639, 1693, 1825, 1833, 2061, 2008, 2006, 2407, 2496, 2314, 2525, 2400, 2694, 2723

Offset: 1

Author

Omar E. Pol, Jun 29 2016

Keywords

• nonn

Examples

			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.
		

Links

• Alois P. Heinz, Table of n, a(n) for n = 1..2000

Crossrefs

Cf. A269526, A274529, A274652.

Formula

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

Extensions

More terms from Alois P. Heinz, Jun 29 2016