login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A137400 a(n) = A128941(n) + 2. 1
6, 30, 140, 631, 2786, 12136, 52368, 224406, 956516, 4060038, 17175132, 72454075, 304941386, 1280898304, 5371301504, 22491017758, 94055344244, 392888085100, 1639534704632, 6835739258998, 28477594607348, 118551827347576 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..21.

CROSSREFS

Cf. A128941.

Sequence in context: A092439 A082149 A002457 * A220830 A199938 A285195

Adjacent sequences:  A137397 A137398 A137399 * A137401 A137402 A137403

KEYWORD

nonn

AUTHOR

Lyle Ramshaw (lyle.ramshaw(AT)hp.com), Apr 08 2008

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 June 26 20:24 EDT 2019. Contains 324380 sequences. (Running on oeis4.)