A355428 - cp's OEIS frontend

A355428 a(n) = n! * [x^n] 1/(1 - Sum_{k=1..n} (exp(k*x) - 1)/k).

n	a(n)
0	1
1	1
2	11
3	284
4	13564
5	1037479
6	116171621
7	17916010524
8	3640962169776
9	942959405612913
10	303168464105203113
11	118474395231479349050
12	55306932183983923942940
13	30397993745996492901617435
14	19429788681469866219869997285

[1, 1, 11, 284, 13564, 1037479, 116171621, 17916010524, 3640962169776, 942959405612913, 303168464105203113, 118474395231479349050, 55306932183983923942940, 30397993745996492901617435, 19429788681469866219869997285]

cp's OEIS Frontend

A355428 a(n) = n! * [x^n] 1/(1 - Sum_{k=1..n} (exp(k*x) - 1)/k).

Table of values

List of values