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.

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

Offset

1,2

Comments

For the ordering of functions f_n see A215703.

Links

Alois P. Heinz, Table of n, a(n) for n = 1..7813

Maple

# load programs from A215703, then:
seq(A(9, n), n=1..100);

Crossrefs

Row n=9 of A215703.

Cf. A000081, A087803.

Sequence in context: A343986 A255209 A261462 * A258729 A259425 A195653

Adjacent sequences: A215836 A215837 A215838 * A215840 A215841 A215842

Keyword

sign

Author

Alois P. Heinz, Aug 24 2012

Status

approved