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

1,2

Links

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

Formula

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

Example

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.

Crossrefs

Cf. A269526, A274529, A274652.

Sequence in context: A315088 A315089 A099541 * A315090 A315091 A315092

Adjacent sequences: A274527 A274528 A274529 * A274531 A274532 A274533

Keyword

nonn

Author

Omar E. Pol, Jun 29 2016

Extensions

More terms from Alois P. Heinz, Jun 29 2016

Status

approved