A012709 - cp's OEIS frontend

A012709 exp(arctanh(x)exp(x))=1+x+3/2!x^2+12/3!x^3+57/4!x^4+340/5!*x^5...

n	a(n)
0	1
1	1
2	3
3	12
4	57
5	340
6	2305
7	18186
8	158977
9	1560840
10	16695553
11	196272142
12	2483596577
13	34036624700
14	497515462561
15	7792454528002
16	129248702613505
17	2278494692749840
18	42291311707716609
19	828953188249846678

[1, 1, 3, 12, 57, 340, 2305, 18186, 158977, 1560840, 16695553, 196272142, 2483596577, 34036624700, 497515462561, 7792454528002, 129248702613505, 2278494692749840, 42291311707716609, 828953188249846678]

cp's OEIS Frontend

A012709 exp(arctanh(x)exp(x))=1+x+3/2!x^2+12/3!x^3+57/4!x^4+340/5!*x^5...

Table of values

List of values

cp's OEIS Frontend

A012709 exp(arctanh(x)*exp(x))=1+x+3/2!*x^2+12/3!*x^3+57/4!*x^4+340/5!*x^5...

Table of values

List of values

A012709 exp(arctanh(x)exp(x))=1+x+3/2!x^2+12/3!x^3+57/4!x^4+340/5!*x^5...