|
| |
|
|
A015701
|
|
From iteration of the Galton-Watson branching process.
|
|
0
|
|
|
|
3, 13, 233, 70673, 6068414753, 41437343632855438913, 1802124039077579799678906531623816674433, 3276599074530619413746235255317178710800049247052611689171540483148625798281473
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
0,1
|
|
|
REFERENCES
|
S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 295-316.
|
|
|
LINKS
|
Table of n, a(n) for n=0..7.
|
|
|
MATHEMATICA
|
f[ s_, p_ ] := (1-p)+p s^2; h[ n_, p_, s_ ] := Nest[ f[ #, p ]&, s, n ]; Table[ 2^(2^k-1) h[ k, 1/2, s ]/.s->Sqrt[ 2 ], {k, 7} ]
|
|
|
CROSSREFS
|
Sequence in context: A100441 A036680 A111431 * A220294 A006487 A042823
Adjacent sequences: A015698 A015699 A015700 * A015702 A015703 A015704
|
|
|
KEYWORD
|
nonn
|
|
|
AUTHOR
|
Wouter Meeussen
|
|
|
STATUS
|
approved
|
| |
|
|
