A288607 Exponential reversion of A288606.

0, 1, -2, 6, -26, 180, -1734, 23464, -385160, 7561308, -166580820, 4109707800, -110972371608, 3276276647280, -104668338898200, 3609072471039840, -133458102348679680, 5274992059017870048, -221831508056339323584, 9893765935654872310656, -466361328442205843665920

Offset

0,3

Comments

It appears that the terms have alternating signs, and their absolute values grow monotonically and are log-convex.

Links

Table of n, a(n) for n=0..20.

MathOverflow, Discussion of a related sequence.

Eric Weisstein's World of Mathematics, Power Tower.

Wikipedia, Tetration.

Crossrefs

Cf. A198094, A260691, A277435, A288606.

Sequence in context: A363003 A002449 A059430 * A086584 A351288 A355211

Adjacent sequences: A288604 A288605 A288606 * A288608 A288609 A288610

Keyword

sign

Author

Vladimir Reshetnikov, Jun 11 2017

Status

approved