A093885 - cp's OEIS frontend

A093885 a(n) = floor( {product of all possible sums of (n-1) numbers chosen from among first n numbers} / {sum of all possible products of (n-1) numbers chosen from among first n numbers} ).

n	a(n)
1	0
2	0
3	5
4	60
5	876
6	15820
7	342490
8	8659697
9	250596841
10	8170355939
11	296392500231
12	11842341000706
13	516766134975841
14	24454542316972336
15	1247414741568401188
16	68231675778495540368
17	3983959314088980184276
18	247324089280835008754847

[0, 0, 5, 60, 876, 15820, 342490, 8659697, 250596841, 8170355939, 296392500231, 11842341000706, 516766134975841, 24454542316972336, 1247414741568401188, 68231675778495540368, 3983959314088980184276, 247324089280835008754847]

cp's OEIS Frontend

A093885 a(n) = floor( {product of all possible sums of (n-1) numbers chosen from among first n numbers} / {sum of all possible products of (n-1) numbers chosen from among first n numbers} ).

Table of values

List of values