A290880 - cp's OEIS frontend

A290880 E.g.f. C(x) satisfies: C(x)^2 - S(x)^2 = 1 and C'(x)^2 + S'(x)^2 = 1, where S(x) is the e.g.f. of A290881.

n	a(n)
0	1
1	1
2	-7
3	265
4	-24175
5	4037425
6	-1070526775
7	412826556025
8	-218150106913375
9	151297155973926625
10	-133288452772763494375
11	145378048431548466795625
12	-192296944484564858674279375
13	303266384253858232005535140625
14	-562167814015907092875287424484375
15	1210147640238238850996978598797265625
16	-2993757681527630470101347134338702109375

[1, 1, -7, 265, -24175, 4037425, -1070526775, 412826556025, -218150106913375, 151297155973926625, -133288452772763494375, 145378048431548466795625, -192296944484564858674279375, 303266384253858232005535140625, -562167814015907092875287424484375, 1210147640238238850996978598797265625, -2993757681527630470101347134338702109375]

cp's OEIS Frontend

A290880 E.g.f. C(x) satisfies: C(x)^2 - S(x)^2 = 1 and C'(x)^2 + S'(x)^2 = 1, where S(x) is the e.g.f. of A290881.

Table of values

List of values