A123296 - cp's OEIS frontend

A123296 Number of permutations of n distinct letters (ABCD...) each of which appears 5 times and having n-2 fixed points.

n	a(n)
0	0
1	25
2	75
3	150
4	250
5	375
6	525
7	700
8	900
9	1125
10	1375
11	1650
12	1950
13	2275
14	2625
15	3000
16	3400
17	3825
18	4275
19	4750
20	5250
21	5775
22	6325
23	6900
24	7500
25	8125
26	8775
27	9450
28	10150
29	10875
30	11625
31	12400
32	13200
33	14025
34	14875
35	15750
36	16650
37	17575
38	18525
39	19500
40	20500
41	21525
42	22575

[0, 25, 75, 150, 250, 375, 525, 700, 900, 1125, 1375, 1650, 1950, 2275, 2625, 3000, 3400, 3825, 4275, 4750, 5250, 5775, 6325, 6900, 7500, 8125, 8775, 9450, 10150, 10875, 11625, 12400, 13200, 14025, 14875, 15750, 16650, 17575, 18525, 19500, 20500, 21525, 22575]

cp's OEIS Frontend

A123296 Number of permutations of n distinct letters (ABCD...) each of which appears 5 times and having n-2 fixed points.

Table of values

List of values