|
|
A302657
|
|
a(n) = [x^n] 1 + x*(1 + 2*x*(1 + 3*x*(1 + 4*x*(1 + 5*x*(1 + ...)^n)^n)^n)^n)^n.
|
|
3
|
|
|
1, 1, 4, 66, 2576, 181580, 20040132, 3176873014, 683004260416, 191131280146584, 67496202291859460, 29358012892996082966, 15422766301341408798384, 9628365732822661693594804, 7046590639669984518105404260, 5975695685335003337179698967230, 5813189543201787075970895280603392
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,3
|
|
COMMENTS
|
|
|
LINKS
|
|
|
MATHEMATICA
|
Table[SeriesCoefficient[1 + x Fold[((#2 + 1) x #1 + 1)^n &, 0, Reverse[Range[n]]], {x, 0, n}], {n, 0, 16}]
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|