|
|
A215839
|
|
Ninth derivative of f_n at x=1, where f_n is the n-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways.
|
|
3
|
|
|
0, -5112, 253296, 360144, 6333336, 3863808, 6019416, 3010680, 56343456, 27617616, 14843808, 26108208, 13309272, 39097296, 18337680, 14572944, 7829424, 293095080, 139667616, 70196904, 101378376, 55969128, 55359216, 31002552, 111791088, 56304360, 40935024
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
For the ordering of functions f_n see A215703.
|
|
LINKS
|
|
|
MAPLE
|
# load programs from A215703, then:
seq(A(9, n), n=1..100);
|
|
CROSSREFS
|
|
|
KEYWORD
|
sign
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|