A299431 - cp's OEIS frontend

A299431 Denominators of coefficients in C(x) where: C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)S(x)^(1/2) = S'(x)C(x)^(1/2) = 2xC(x).

n	a(n)
0	1
1	1
2	3
3	18
4	270
5	432
6	17010
7	2721600
8	40824
9	1175731200
10	1515591000
11	217275125760
12	354648294000
13	5084237942784000
14	114578679600
15	915162829701120000
16	1595278956070800000
17	298709147614445568000
18	818378104464320400000
19	168561571998831634022400000
20	982053725357184480000
21	45745017385529077294694400000
22	279517041579788632620000000

[1, 1, 3, 18, 270, 432, 17010, 2721600, 40824, 1175731200, 1515591000, 217275125760, 354648294000, 5084237942784000, 114578679600, 915162829701120000, 1595278956070800000, 298709147614445568000, 818378104464320400000, 168561571998831634022400000, 982053725357184480000, 45745017385529077294694400000, 279517041579788632620000000]

cp's OEIS Frontend

A299431 Denominators of coefficients in C(x) where: C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)S(x)^(1/2) = S'(x)C(x)^(1/2) = 2xC(x).

Table of values

List of values

cp's OEIS Frontend

A299431 Denominators of coefficients in C(x) where: C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)*S(x)^(1/2) = S'(x)*C(x)^(1/2) = 2*x*C(x).

Table of values

List of values

A299431 Denominators of coefficients in C(x) where: C(x)^(1/2) - S(x)^(1/2) = 1 such that C'(x)S(x)^(1/2) = S'(x)C(x)^(1/2) = 2xC(x).