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A192225 Numbers that are both Fibonacci and Pell 1
0, 1, 2, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Alekseyev proved that the only numbers which are both Fibonacci A000045 and Pell A000129 are 0, 1, 2, and 5.

LINKS

Table of n, a(n) for n=1..4.

Max A. Alekseyev (2011) On the Intersections of Fibonacci, Pell, and Lucas Numbers, INTEGERS 11(3), pp. 239-259. doi:10.1515/INTEG.2011.021

FORMULA

A000045 intersect A000129 (as sets)

EXAMPLE

{0, 1, 1, 2, 3, 5, 8, 13, ...} intersect {0, 1, 2, 5, 12, 29, 70, 169, ...} = {0, 1, 2, 5}.

CROSSREFS

Cf. A000045, A000129, A180928.

Sequence in context: A138852 A062701 A252783 * A020821 A020773 A249422

Adjacent sequences:  A192222 A192223 A192224 * A192226 A192227 A192228

KEYWORD

nonn,fini,full

AUTHOR

Jonathan Sondow, Jul 11 2011

STATUS

approved

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Last modified May 24 17:09 EDT 2019. Contains 323533 sequences. (Running on oeis4.)