A381931 - cp's OEIS frontend

A381931 Triangular array T(n, k) read by rows: denominators of the coefficients for the iterated exponential F^{r}(x) = x + Sum_{n>=1} x^(n+1)Sum_{k=1..n} r^(n+1-k)A381932(n, k)/T(n, k) with F^{1}(x) = exp(x)-1 and F^{2}(x) = exp(exp(x)-1)-1.

n	a(n)
1	2
2	4
3	12
4	8
5	48
6	48
7	16
8	144
9	24
10	180
11	32
12	1152
13	1728
14	5760
15	8640
16	64
17	640
18	3456
19	5760
20	17280
21	6720
22	128
23	7680
24	34560
25	1152
26	34560
27	32256
28	241920
29	256
30	26880
31	82944
32	414720
33	41472
34	580608
35	107520
36	1451520
37	512
38	430080
39	645120
40	622080
41	4147200
42	6967296
43	21772800
44	87091200
45	43545600

[2, 4, 12, 8, 48, 48, 16, 144, 24, 180, 32, 1152, 1728, 5760, 8640, 64, 640, 3456, 5760, 17280, 6720, 128, 7680, 34560, 1152, 34560, 32256, 241920, 256, 26880, 82944, 414720, 41472, 580608, 107520, 1451520, 512, 430080, 645120, 622080, 4147200, 6967296, 21772800, 87091200, 43545600]

cp's OEIS Frontend

A381931 Triangular array T(n, k) read by rows: denominators of the coefficients for the iterated exponential F^{r}(x) = x + Sum_{n>=1} x^(n+1)Sum_{k=1..n} r^(n+1-k)A381932(n, k)/T(n, k) with F^{1}(x) = exp(x)-1 and F^{2}(x) = exp(exp(x)-1)-1.

Table of values

List of values

cp's OEIS Frontend

A381931 Triangular array T(n, k) read by rows: denominators of the coefficients for the iterated exponential F^{r}(x) = x + Sum_{n>=1} x^(n+1)*Sum_{k=1..n} r^(n+1-k)*A381932(n, k)/T(n, k) with F^{1}(x) = exp(x)-1 and F^{2}(x) = exp(exp(x)-1)-1.

Table of values

List of values

A381931 Triangular array T(n, k) read by rows: denominators of the coefficients for the iterated exponential F^{r}(x) = x + Sum_{n>=1} x^(n+1)Sum_{k=1..n} r^(n+1-k)A381932(n, k)/T(n, k) with F^{1}(x) = exp(x)-1 and F^{2}(x) = exp(exp(x)-1)-1.