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!)
A152808 Column 3 of triangle A152798; a(n) = A152798(n+3,3). 1
1, 1, 4, 10, 29, 93, 310, 1106, 4205, 16912, 71858, 321921, 1516429, 7493126, 38758968, 209453249, 1180293354, 6923457745, 42206892713, 267002169884, 1750266527588, 11873506488390, 83253781992093, 602667751464027 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
FORMULA
a(n) = A152798(n+2,3) + 3*A152798(n+2,4) + 3*A152798(n+2,5) + A152798(n+2,6).
CROSSREFS
Sequence in context: A212262 A233347 A264158 * A243601 A243602 A243603
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Jan 01 2009
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 29 08:00 EDT 2024. Contains 371265 sequences. (Running on oeis4.)