A181081 - cp's OEIS frontend

A181081 a(n) = Sum_{k=0..floor(n/2)} binomial(n-k,k)^(n-2k+1) n/(n-k).

n	a(n)
1	1
2	3
3	7
4	39
5	336
6	4077
7	68461
8	1955295
9	129385141
10	17371664728
11	3501431925168
12	947675920795833
13	355261887514210899
14	236156938257380344851
15	390707976511340699319417
16	1324768245535417597286345871

[1, 3, 7, 39, 336, 4077, 68461, 1955295, 129385141, 17371664728, 3501431925168, 947675920795833, 355261887514210899, 236156938257380344851, 390707976511340699319417, 1324768245535417597286345871]

cp's OEIS Frontend

A181081 a(n) = Sum_{k=0..floor(n/2)} binomial(n-k,k)^(n-2k+1) n/(n-k).

Table of values

List of values

cp's OEIS Frontend

A181081 a(n) = Sum_{k=0..floor(n/2)} binomial(n-k,k)^(n-2k*+1) * n/(n-k).

Table of values

List of values

A181081 a(n) = Sum_{k=0..floor(n/2)} binomial(n-k,k)^(n-2k+1) n/(n-k).