login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A105611 a(n) is the LCM of the Jacobsthal sequence {J(1),...,J(n)}. 0
1, 1, 3, 15, 165, 1155, 49665, 844305, 48125385, 1491886935, 1018958776605, 13246464095865, 36176093445807315, 4594363867617529005, 1520734440181402100655, 390828751126620339868335 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..16.

FORMULA

a(n) = lcm_{k=1..n} J(k).

CROSSREFS

Cf. A001045.

Sequence in context: A016065 A005016 A304998 * A329557 A108975 A097489

Adjacent sequences:  A105608 A105609 A105610 * A105612 A105613 A105614

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Apr 15 2005

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 15 05:01 EDT 2021. Contains 343909 sequences. (Running on oeis4.)