A166998 - cp's OEIS frontend

A166998 G.f.: sqrt(C(x)^2 - S(x)^2) where C(x) = Sum_{n>=0} log(1 - 2^(2n)x)^(2n)/(2n)! and S(x) = Sum_{n>=0} -log(1 - 2^(2n+1)x)^(2n+1)/(2n+1)! are the g.f.s of A166995 and A166996, respectively.

n	a(n)
0	1
1	0
2	6
3	28
4	2684
5	85664
6	96848424
7	18318978896
8	459531493100736
9	468613553577122688
10	349607028167776160389536
11	1788682277200384090414421312
12	46561932503015793339090359576558496

[1, 0, 6, 28, 2684, 85664, 96848424, 18318978896, 459531493100736, 468613553577122688, 349607028167776160389536, 1788682277200384090414421312, 46561932503015793339090359576558496]

cp's OEIS Frontend

A166998 G.f.: sqrt(C(x)^2 - S(x)^2) where C(x) = Sum_{n>=0} log(1 - 2^(2n)x)^(2n)/(2n)! and S(x) = Sum_{n>=0} -log(1 - 2^(2n+1)x)^(2n+1)/(2n+1)! are the g.f.s of A166995 and A166996, respectively.

Table of values

List of values

cp's OEIS Frontend

A166998 G.f.: sqrt(C(x)^2 - S(x)^2) where C(x) = Sum_{n>=0} log(1 - 2^(2n)*x)^(2n)/(2n)! and S(x) = Sum_{n>=0} -log(1 - 2^(2n+1)*x)^(2n+1)/(2n+1)! are the g.f.s of A166995 and A166996, respectively.

Table of values

List of values

A166998 G.f.: sqrt(C(x)^2 - S(x)^2) where C(x) = Sum_{n>=0} log(1 - 2^(2n)x)^(2n)/(2n)! and S(x) = Sum_{n>=0} -log(1 - 2^(2n+1)x)^(2n+1)/(2n+1)! are the g.f.s of A166995 and A166996, respectively.