A216349 - cp's OEIS frontend

A216349 Triangle T(n,k) in which n-th row lists the values of the n-th derivative at x=1 of all functions that are representable as x^x^...^x with n x's and parentheses inserted in all possible ways; n>=1, 1<=k<=A000081(n).

n	a(n)
1	1
2	2
3	12
4	9
5	156
6	100
7	80
8	56
9	3160
10	1880
11	1180
12	1420
13	950
14	1360
15	890
16	660
17	480
18	87990
19	50496
20	29682
21	35382
22	24042
23	22008
24	14928
25	31968
26	20268
27	14988
28	10848
29	34974
30	21474
31	13314
32	15114
33	10974
34	13014
35	8874
36	6534
37	5094
38	3218628
39	1806476
40	1021552
41	588756
42	1189132

[1, 2, 12, 9, 156, 100, 80, 56, 3160, 1880, 1180, 1420, 950, 1360, 890, 660, 480, 87990, 50496, 29682, 35382, 24042, 22008, 14928, 31968, 20268, 14988, 10848, 34974, 21474, 13314, 15114, 10974, 13014, 8874, 6534, 5094, 3218628, 1806476, 1021552, 588756, 1189132]

cp's OEIS Frontend

A216349 Triangle T(n,k) in which n-th row lists the values of the n-th derivative at x=1 of all functions that are representable as x^x^...^x with n x's and parentheses inserted in all possible ways; n>=1, 1<=k<=A000081(n).

Table of values

List of values