|
Search: id:A006631
|
|
|
| A006631 |
|
From generalized Catalan numbers.
(Formerly M4539)
|
|
+0
3
|
|
| 1, 8, 52, 320, 1938, 11704, 70840, 430560, 2629575, 16138848, 99522896, 616480384, 3834669566, 23944995480, 150055305008, 943448717120, 5949850262895, 37628321318280
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
REFERENCES
|
H. M. Finucan, Some decompositions of generalized Catalan numbers, pp. 275-293 of Combinatorial Mathematics IX. Proc. Ninth Australian Conference (Brisbane, August 1981). Ed. E. J. Billington, S. Oates-Williams and A. P. Street. Lecture Notes Math., 952. Springer-Verlag, 1982.
|
|
FORMULA
|
G.f.: 3_F_2 ( [ 3, 8/3, 10/3 ]; [ 5, 9/2 ]; 27 x / 4 ).
|
|
CROSSREFS
|
Sequence in context: A125345 A111996 A016129 this_sequence A126503 A130153 A116171
Adjacent sequences: A006628 A006629 A006630 this_sequence A006632 A006633 A006634
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
Simon Plouffe (plouffe(AT)math.uqam.ca)
|
|
|
Search completed in 0.002 seconds
|
