A085486 Antidiagonal sums of symmetric square table A085484, in which the main diagonal is equal to the first row shift left.

1, 2, 6, 24, 112, 592, 3472, 22224, 153408, 1132160, 8875024, 73515984, 640749568, 5854940768, 55916547648, 556639825408, 5762345023232, 61902378428288, 688791837471024, 7925246798477648, 94150618491038528, 1153242311678661760, 14546494351423238880

Offset

0,2

Links

Table of n, a(n) for n=0..22.

Crossrefs

Cf. A085484 (table), A085485 (first row and diagonal).

Sequence in context: A212884 A393122 A375923 * A152318 A152328 A152325

Adjacent sequences: A085483 A085484 A085485 * A085487 A085488 A085489

Keyword

nonn

Author

Paul D. Hanna, Jul 02 2003

Extensions

More terms from Sean A. Irvine, Jun 20 2026

Status

approved