A242091 - cp's OEIS frontend

A242091 a(n) = r * (n-1)! where r is the rational number that satisfies the equation Sum_{k>=n} (-1)^(k + n)/C(k,n) = n2^(n-1)log(2) - r.

n	a(n)
1	0
2	2
3	15
4	128
5	1310
6	15864
7	222936
8	3572736
9	64354608
10	1287495360
11	28328889600
12	679936896000
13	17678878214400
14	495015296025600
15	14850552286080000
16	475219068007219200
17	16157470542709708800
18	581669316147767500800
19	22103440771676298854400

[0, 2, 15, 128, 1310, 15864, 222936, 3572736, 64354608, 1287495360, 28328889600, 679936896000, 17678878214400, 495015296025600, 14850552286080000, 475219068007219200, 16157470542709708800, 581669316147767500800, 22103440771676298854400]

cp's OEIS Frontend

A242091 a(n) = r * (n-1)! where r is the rational number that satisfies the equation Sum_{k>=n} (-1)^(k + n)/C(k,n) = n2^(n-1)log(2) - r.

Table of values

List of values

cp's OEIS Frontend

A242091 a(n) = r * (n-1)! where r is the rational number that satisfies the equation Sum_{k>=n} (-1)^(k + n)/C(k,n) = n*2^(n-1)*log(2) - r.

Table of values

List of values

A242091 a(n) = r * (n-1)! where r is the rational number that satisfies the equation Sum_{k>=n} (-1)^(k + n)/C(k,n) = n2^(n-1)log(2) - r.