A119390 - cp's OEIS frontend

A119390 a(n) = n!Sum_{k=0..n} (-1)^(n-k)Stirling1(n,k)/k!.

n	a(n)
0	1
1	1
2	3
3	22
4	301
5	6631
6	214681
7	9600088
8	566959457
9	42745927717
10	4006577981071
11	457002288429666
12	62332395019232053
13	10018273615964100787
14	1873929413170092413773
15	403602063302844878730196
16	99165966659478338987124481
17	27570715036265111940880945673
18	8611670013649050886554308425147
19	3002629280961610435928764405429774
20	1161987842547239267511188646916322781

[1, 1, 3, 22, 301, 6631, 214681, 9600088, 566959457, 42745927717, 4006577981071, 457002288429666, 62332395019232053, 10018273615964100787, 1873929413170092413773, 403602063302844878730196, 99165966659478338987124481, 27570715036265111940880945673, 8611670013649050886554308425147, 3002629280961610435928764405429774, 1161987842547239267511188646916322781]

cp's OEIS Frontend

A119390 a(n) = n!Sum_{k=0..n} (-1)^(n-k)Stirling1(n,k)/k!.

Table of values

List of values

cp's OEIS Frontend

A119390 a(n) = n!*Sum_{k=0..n} (-1)^(n-k)*Stirling1(n,k)/k!.

Table of values

List of values

A119390 a(n) = n!Sum_{k=0..n} (-1)^(n-k)Stirling1(n,k)/k!.