A028353 - cp's OEIS frontend

A028353 Coefficient of x^(2n+1) in arctanh(x)/sqrt(1-x^2), multiplied by (2n+1)!.

n	a(n)
0	1
1	5
2	89
3	3429
4	230481
5	23941125
6	3555578025
7	715154761125
8	187188449198625
9	61836509511685125
10	25163273966324405625
11	12368068140988819153125
12	7224011282550809645600625

[1, 5, 89, 3429, 230481, 23941125, 3555578025, 715154761125, 187188449198625, 61836509511685125, 25163273966324405625, 12368068140988819153125, 7224011282550809645600625]

cp's OEIS Frontend

A028353 Coefficient of x^(2n+1) in arctanh(x)/sqrt(1-x^2), multiplied by (2n+1)!.

Table of values

List of values

cp's OEIS Frontend

A028353 Coefficient of x^(2*n+1) in arctanh(x)/sqrt(1-x^2), multiplied by (2*n+1)!.

Table of values

List of values

A028353 Coefficient of x^(2n+1) in arctanh(x)/sqrt(1-x^2), multiplied by (2n+1)!.