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A153577
Floor of value of n-th derivative of Zeta(x) at x=2.
1
-1, 1, -7, 24, -121, 720, -5040, 40319, -362880, 3628800, -39916801, 479001600, -6227020801, 87178291199, -1307674368000, 20922789887999, -355687428096000, 6402373705728000, -121645100408832001, 2432902008176640000
OFFSET
1,3
LINKS
FORMULA
a(n) ~ (-1)^n * n!. - Vaclav Kotesovec, Mar 05 2019
MATHEMATICA
Table[Floor[Derivative[k][Zeta][2]], {k, 1, 20}]
CROSSREFS
Sequence in context: A129797 A188120 A007750 * A009643 A108095 A223007
KEYWORD
sign
AUTHOR
STATUS
approved