A079967 - cp's OEIS frontend

A079967 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={4}.

n	a(n)
0	1
1	1
2	2
3	4
4	8
5	15
6	30
7	58
8	113
9	220
10	429
11	835
12	1627
13	3169
14	6173
15	12024
16	23422
17	45623
18	88869
19	173107
20	337194
21	656817
22	1279409
23	2492150
24	4854439
25	9455922
26	18419114
27	35878442
28	69887326
29	136132954
30	265172275
31	516526919
32	1006138588
33	1959849178

[1, 1, 2, 4, 8, 15, 30, 58, 113, 220, 429, 835, 1627, 3169, 6173, 12024, 23422, 45623, 88869, 173107, 337194, 656817, 1279409, 2492150, 4854439, 9455922, 18419114, 35878442, 69887326, 136132954, 265172275, 516526919, 1006138588, 1959849178]

cp's OEIS Frontend

A079967 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={4}.

Table of values

List of values