login
The OEIS is supported by the many generous donors to the OEIS Foundation.
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A026979
a(n) = Sum_{k=0..n-3} T(n,k) * T(n,k+3), with T given by A026659.
0
1, 10, 75, 372, 2082, 9382, 49135, 205900, 1089140, 4503138, 22149416, 89553324, 466147593, 1880356006, 9068681952, 36243551268, 187297716687, 748569870492, 3582758601866, 14255818294268, 73363346762009, 292082311170392, 1393518662519246, 5535446394791612, 28405732479662661
(list; graph; refs; listen; history; text; internal format)
OFFSET
3,2
LINKS
Table of n, a(n) for n=3..27.
CROSSREFS
Sequence in context: A233455 A027778 A026969 * A274251 A073379 A283238
Adjacent sequences: A026976 A026977 A026978 * A026980 A026981 A026982
KEYWORD
nonn
AUTHOR
Clark Kimberling
EXTENSIONS
More terms from Sean A. Irvine, Oct 20 2019
STATUS
approved

Lookup Welcome Wiki Register Music Plot 2 Demos Index WebCam Contribute Format Style Sheet Transforms Superseeker Recents
The OEIS Community
Maintained by The OEIS Foundation Inc.
Last modified September 30 16:55 EDT 2024. Contains 376364 sequences.
License Agreements, Terms of Use, Privacy Policy