A079987 - cp's OEIS frontend

A079987 Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-1,0,2}.

n	a(n)
0	1
1	0
2	0
3	1
4	2
5	3
6	5
7	7
8	15
9	29
10	49
11	84
12	149
13	268
14	484
15	855
16	1508
17	2684
18	4784
19	8516
20	15134
21	26873
22	47782
23	85004
24	151149
25	268704
26	477685
27	849299
28	1510163
29	2685089
30	4773851
31	8487625
32	15090786
33	26831239
34	47705352
35	84818268
36	150803857
37	268125092

[1, 0, 0, 1, 2, 3, 5, 7, 15, 29, 49, 84, 149, 268, 484, 855, 1508, 2684, 4784, 8516, 15134, 26873, 47782, 85004, 151149, 268704, 477685, 849299, 1510163, 2685089, 4773851, 8487625, 15090786, 26831239, 47705352, 84818268, 150803857, 268125092]

cp's OEIS Frontend

A079987 Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=3, r=3, I={-1,0,2}.

Table of values

List of values