A171659 Lucas-version of A165293.

2, 10, -2, 100, -30, 2, 1000, -400, 50, -2, 10000, -5000, 900, -70, 2, 100000, -60000, 14000, -1600, 90, -2

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Example

Triangle begins:
2
10,-2
100,-30,2
1000,-400,50,-2

Crossrefs

Cf. A165293, A087799 (antidiagonal sums), A004189.

Sequence in context: A188635 A246479 A359694 * A060466 A243992 A317549

Adjacent sequences: A171656 A171657 A171658 * A171660 A171661 A171662

Keyword

tabl,sign,more

Author

Mark Dols, Dec 14 2009

Status

approved