login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A199581 Central terms of the triangle in A199333: a(n) = A199333(2*n,n). 3
1, 2, 7, 29, 107, 431, 1619, 6079, 22937, 87083, 332393, 1273541, 4896103, 18877711, 72968563, 282664351, 1097088989, 4265342057, 16608401041, 64758466127, 252814859149, 988089813541, 3865761355523, 15138431958437, 59333638261529, 232737382916429 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
a(n) = A199582(2*n).
LINKS
Reinhard Zumkeller, Table of n, a(n) for n = 0..75
PROG
(Haskell)
a199581 n = a199333_row (2*n) !! n
CROSSREFS
Sequence in context: A261182 A155186 A203969 * A289609 A278815 A263367
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 09 2011
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)