A079816 - cp's OEIS frontend

A079816 Number of permutations satisfying -k <= p(i)-i <= r and p(i)-i not in I, i=1..n, with k=1, r=5, I={1}.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	12
7	20
8	34
9	59
10	102
11	175
12	300
13	515
14	885
15	1521
16	2613
17	4488
18	7709
19	13243
20	22750
21	39081
22	67134
23	115324
24	198107
25	340315
26	584604
27	1004250
28	1725130
29	2963480
30	5090756
31	8745055
32	15022519
33	25806135
34	44330556
35	76152366
36	130816831

[1, 1, 1, 2, 4, 7, 12, 20, 34, 59, 102, 175, 300, 515, 885, 1521, 2613, 4488, 7709, 13243, 22750, 39081, 67134, 115324, 198107, 340315, 584604, 1004250, 1725130, 2963480, 5090756, 8745055, 15022519, 25806135, 44330556, 76152366, 130816831]

cp's OEIS Frontend

A079816 Number of permutations satisfying -k <= p(i)-i <= r and p(i)-i not in I, i=1..n, with k=1, r=5, I={1}.

Table of values

List of values