|
| |
|
|
A143573
|
|
E.g.f. satisfies: A(x) = exp(x*A(x^9/9!)).
|
|
2
|
|
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 111, 661, 2861, 10011, 30031, 80081, 194481, 437581, 1385671, 20323161, 294517861, 2851708861, 20461620411, 117812647921, 572637720601, 2430703053351, 9228958338601, 32965820988101, 225123959060001, 4466029537119151
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,11
|
|
|
LINKS
|
Alois P. Heinz, Table of n, a(n) for n = 0..200
|
|
|
MAPLE
|
A:= proc(n) option remember; if n<=0 then 1 else unapply (convert (series (exp (x*A(n-9)(x^9/362880)), x, n+1), polynom), x) fi end: a:= n-> coeff (A(n)(x), x, n)*n!: seq(a(n), n=0..36);
|
|
|
MATHEMATICA
|
A[n_] := A[n] = If[n <= 0, 1&, Function[Normal[Series[Exp[y*A[n-2][y^9/9!]], {y, 0, n+1}] /. y -> #]]]; a[n_] := Coefficient[A[n][x], x, n]*n!; Table[a[n], {n, 0, 36}] (* Jean-François Alcover, Feb 13 2014, after Maple *)
|
|
|
CROSSREFS
|
9th column of A143565.
Sequence in context: A062095 A055657 A049121 * A248039 A244204 A058947
Adjacent sequences: A143570 A143571 A143572 * A143574 A143575 A143576
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Alois P. Heinz, Aug 24 2008
|
|
|
STATUS
|
approved
|
| |
|
|
