A216817 Variant of Lucas triangle: see Comments for definition.

2, 2, 1, 2, 3, 2, 1, 5, 2, 4, 7, 2, 1, 9, 9, 2, 5, 16, 11, 2, 14, 25, 13, 2, 1, 30, 36, 15, 2

Offset

0,1

Comments

Regard A029635 as a square array, shift each row two more places to right, read columns upwards.

Links

Table of n, a(n) for n=0..28.

S. Falcon, On the Lucas triangle and its relationship with the k-Lucas numbers, Journal of Mathematical and Computational Science, 2 (2012), No. 3, 425-434.

Example

Triangle begins:
2
2
1 2
3 2
1 5 2
4 7 2
1 9 9 2
5 16 11 2
14 25 13 2
1 30 36 15 2
...

Crossrefs

Cf. A029635.

Sequence in context: A184703 A309287 A056173 * A263765 A335424 A270073

Adjacent sequences: A216814 A216815 A216816 * A216818 A216819 A216820

Keyword

nonn,more,tabf

Author

N. J. A. Sloane, Sep 20 2012

Extensions

Warning: the Journal of Mathematical and Computational Science is run by the 'Science & Knowledge Publishing Corporation Limited', which is listed in Jeffrey Beall's list (http://scholarlyoa.com/publishers/) of predatory publishers. Michel Marcus, Aug 29 2015

Status

approved