A082734 For n odd, a(n) is the least positive integer not already used. For n even, a(n) is 1 plus the lcm of the last n/2 terms.

1, 2, 3, 7, 4, 85, 5, 2381, 6, 2428621, 8, 11796395066041, 9, 24556753509547879827590761, 10, 603034142928692112838699618154188070450425864968361, 11

Offset

1,2

Links

Table of n, a(n) for n=1..17.

Example

a(8): The previous 4 terms are 7, 4, 85, 5 and their lcm is 2380, so a(8) = 2381.

Crossrefs

Sequence in context: A324598 A229794 A331318 * A332526 A021425 A355278

Adjacent sequences: A082731 A082732 A082733 * A082735 A082736 A082737

Keyword

nonn

Author

Amarnath Murthy, Apr 14 2003

Extensions

Edited and extended by David Wasserman, Sep 27 2004

Status

approved