A290023 - cp's OEIS frontend

A290023 a(n) is the 2n-th derivative of the difference between the n-th tetration of x (power tower of order n) and its predecessor (or 0 if n=0) at x=1.

n	a(n)
0	1
1	0
2	8
3	900
4	224112
5	78775200
6	40518181440
7	28340179227360
8	26078095792869120
9	30544708065077606400
10	44428404658605222528000
11	78604530683773395984883200
12	166295474965751756924207462400
13	414658685362517268992110471680000
14	1203746810444949373635048911870976000

[1, 0, 8, 900, 224112, 78775200, 40518181440, 28340179227360, 26078095792869120, 30544708065077606400, 44428404658605222528000, 78604530683773395984883200, 166295474965751756924207462400, 414658685362517268992110471680000, 1203746810444949373635048911870976000]

cp's OEIS Frontend

A290023 a(n) is the 2n-th derivative of the difference between the n-th tetration of x (power tower of order n) and its predecessor (or 0 if n=0) at x=1.

Table of values

List of values