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!)
A026382 a(n) = T(n,n-3), where T is the array in A026374. 2
1, 6, 17, 45, 75, 144, 202, 330, 425, 630, 771, 1071, 1267, 1680, 1940, 2484, 2817, 3510, 3925, 4785, 5291, 6336, 6942, 8190, 8905, 10374, 11207, 12915, 13875, 15840, 16936, 19176, 20417, 22950, 24345, 27189, 28747, 31920 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,2

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 3..1000

FORMULA

G.f.: z^3*(1+5z+8z^2+13z^3)/[(1-z)^4*(1+z)^3]. - Emeric Deutsch, Jan 25 2004

PROG

(Haskell)

a026382 = flip a026374 3  -- Reinhard Zumkeller, Feb 22 2014

CROSSREFS

Cf. A026374.

Sequence in context: A066183 A262297 A048746 * A054492 A128525 A083334

Adjacent sequences:  A026379 A026380 A026381 * A026383 A026384 A026385

KEYWORD

nonn

AUTHOR

Clark Kimberling

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 September 23 08:18 EDT 2020. Contains 337295 sequences. (Running on oeis4.)