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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A047133 T(n,n-1), array T as in A047131. 0
1, 2, 5, 14, 28, 84, 272, 1679, 5564, 19613, 70504, 311534, 1172750, 4405073, 16581264, 67108040, 260573610, 1004778126, 3867996120, 15289911196, 59854486782, 233437968413, 909025875014, 3575067252387, 14038457059264 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..25.

CROSSREFS

Sequence in context: A212340 A304719 A022630 * A031874 A120328 A026011

Adjacent sequences:  A047130 A047131 A047132 * A047134 A047135 A047136

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 October 19 03:34 EDT 2019. Contains 328211 sequences. (Running on oeis4.)