A341300 - cp's OEIS frontend

A341300 a(n) = n! + (n-1)! + (n-2)! + (n-3)! + n - 3.

n	a(n)
3	10
4	34
5	154
6	873
7	5908
8	46205
9	408966
10	4037047
11	43948808
12	522910089
13	6749568010
14	93924230411
15	1401558681612
16	22323869568013
17	378005070643214
18	6780291598080015
19	128424084332544016
20	2561305169719296017
21	53651891654000640018
22	1177646217057902592019

[10, 34, 154, 873, 5908, 46205, 408966, 4037047, 43948808, 522910089, 6749568010, 93924230411, 1401558681612, 22323869568013, 378005070643214, 6780291598080015, 128424084332544016, 2561305169719296017, 53651891654000640018, 1177646217057902592019]

cp's OEIS Frontend

A341300 a(n) = n! + (n-1)! + (n-2)! + (n-3)! + n - 3.

Table of values

List of values