A072350 - cp's OEIS frontend

A072350 E.g.f. A(x) satisfies A(A(x)) = tan(x), where A(x) = Sum_{n>=1} a(n)*x^(2n-1)/(2n-1)!.

n	a(n)
1	1
2	1
3	3
4	17
5	225
6	3613
7	-42997
8	8725357
9	2116966081
10	-549193907111
11	-114757574954509
12	117893333517545097
13	14433599120070484321
14	-65568697910890921624715
15	2968238619232726100394235
16	86999609037195113208781248165

[1, 1, 3, 17, 225, 3613, -42997, 8725357, 2116966081, -549193907111, -114757574954509, 117893333517545097, 14433599120070484321, -65568697910890921624715, 2968238619232726100394235, 86999609037195113208781248165]

cp's OEIS Frontend

A072350 E.g.f. A(x) satisfies A(A(x)) = tan(x), where A(x) = Sum_{n>=1} a(n)*x^(2n-1)/(2n-1)!.

Table of values

List of values