A114799 - cp's OEIS frontend

A114799 Septuple factorial, 7-factorial, n!7, n!!!!!!!, a(n) = n*a(n-7) if n > 1, else 1.

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	18
10	30
11	44
12	60
13	78
14	98
15	120
16	288
17	510
18	792
19	1140
20	1560
21	2058
22	2640
23	6624
24	12240
25	19800
26	29640
27	42120
28	57624
29	76560
30	198720
31	379440
32	633600
33	978120
34	1432080
35	2016840
36	2756160
37	7352640
38	14418720
39	24710400
40	39124800

[1, 1, 2, 3, 4, 5, 6, 7, 8, 18, 30, 44, 60, 78, 98, 120, 288, 510, 792, 1140, 1560, 2058, 2640, 6624, 12240, 19800, 29640, 42120, 57624, 76560, 198720, 379440, 633600, 978120, 1432080, 2016840, 2756160, 7352640, 14418720, 24710400, 39124800]

cp's OEIS Frontend

A114799 Septuple factorial, 7-factorial, n!7, n!!!!!!!, a(n) = n*a(n-7) if n > 1, else 1.

Table of values

List of values