A099735 a(2n) = a(2n-1) / a(2n-2); a(2n+1) = a(2n) + a(2n-1); a(0) = 1; a(1) = 1.

1, 1, 1, 2, 2, 4, 2, 6, 3, 9, 3, 12, 4, 16, 4, 20, 5, 30, 6, 36, 6, 42, 7, 49, 7, 56, 8, 64, 8, 72, 9, 81, 9, 90, 10, 100, 10, 110, 11, 121, 11, 132, 12, 144, 12, 156, 13, 169, 13, 182, 14, 196, 14, 210, 15, 225, 15, 240, 16, 256, 16

Offset

0,4

Comments

Note that the result of the division is always an integer.

This is one member of a generalized family of sequences: a(2n) = a(2n-1) / a(2n-2); a(2n+1) = a(2n) + a(2n-1); a(0) = 1; a(1) = x; x > 0.

Links

Table of n, a(n) for n=0..60.

Crossrefs

Sequence in context: A167272 A090624 A304407 * A322352 A091279 A096002

Adjacent sequences: A099732 A099733 A099734 * A099736 A099737 A099738

Keyword

easy,nonn

Author

Timo Kekäläinen (timo.kekalainen(AT)iki.fi), Nov 09 2004

Extensions

Offset corrected by Joerg Arndt, Jan 31 2015

Status

approved