A079969 - cp's OEIS frontend

A079969 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={2}.

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	11
6	21
7	38
8	70
9	128
10	236
11	434
12	799
13	1469
14	2702
15	4969
16	9140
17	16811
18	30921
19	56872
20	104604
21	192396
22	353872
23	650872
24	1197141
25	2201885
26	4049898
27	7448923
28	13700706
29	25199527
30	46349157
31	85249390
32	156798074
33	288396620
34	530444084

[1, 1, 2, 3, 6, 11, 21, 38, 70, 128, 236, 434, 799, 1469, 2702, 4969, 9140, 16811, 30921, 56872, 104604, 192396, 353872, 650872, 1197141, 2201885, 4049898, 7448923, 13700706, 25199527, 46349157, 85249390, 156798074, 288396620, 530444084]

cp's OEIS Frontend

A079969 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={2}.

Table of values

List of values