A061894 Lionel-Levine-sequence generated by (2,0).

0, 2, 2, 4, 6, 13, 35, 171, 1934, 97151, 52942129, 1435382350480, 21191828466255176653

Offset

0,2

Links

Table of n, a(n) for n=0..12.

Example

a(3) = 4: (2,0),(2,2),(1,1,2,2),(1,1,2,2,3,4)

Crossrefs

Cf. A011784, A061892, A061895.

Sequence in context: A153955 A074028 A181926 * A116684 A276057 A116637

Adjacent sequences: A061891 A061892 A061893 * A061895 A061896 A061897

Keyword

nonn,easy

Author

Frank Ellermann, May 13 2001

Extensions

a(10) from Naohiro Nomoto, May 10 2002

a(11) and a(12) from Michael Anthony Keyes, May 12 2021

Status

approved