|
Search: id:A098399
|
|
| |
|
| 1, 9, 90, 945, 10206, 112266, 1250964, 14073345, 159497910, 1818276174, 20827527084, 239516561466, 2763652632300, 31979409030900, 370961144758440, 4312423307816865, 50227047938102310, 585982225944526950
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
FORMULA
|
G.f.: (1-sqrt(1-12x))/(6x*sqrt(1-12x))
|
|
MAPLE
|
Z:=(1-sqrt(1-3*z))*4^n/sqrt(1-3*z)/6: Zser:=series(Z, z=0, 32): seq(coeff(Zser, z, n), n=1..18); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jan 01 2007
|
|
CROSSREFS
|
Cf. A069723, A069720, A098400.
Sequence in context: A057092 A052268 A036258 this_sequence A082367 A049389 A127769
Adjacent sequences: A098396 A098397 A098398 this_sequence A098400 A098401 A098402
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Paul Barry (pbarry(AT)wit.ie), Sep 06 2004
|
|
|
Search completed in 0.002 seconds
|
