A080005 - cp's OEIS frontend

A080005 Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,1}.

n	a(n)
0	1
1	1
2	1
3	2
4	4
5	7
6	11
7	19
8	35
9	62
10	107
11	186
12	328
13	578
14	1012
15	1771
16	3107
17	5455
18	9568
19	16774
20	29417
21	51603
22	90513
23	158741
24	278404
25	488301
26	856448
27	1502116
28	2634532
29	4620700
30	8104269
31	14214069
32	24929981
33	43724610
34	76688540
35	134503903
36	235906039

[1, 1, 1, 2, 4, 7, 11, 19, 35, 62, 107, 186, 328, 578, 1012, 1771, 3107, 5455, 9568, 16774, 29417, 51603, 90513, 158741, 278404, 488301, 856448, 1502116, 2634532, 4620700, 8104269, 14214069, 24929981, 43724610, 76688540, 134503903, 235906039]

cp's OEIS Frontend

A080005 Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=2, r=3, I={-1,1}.

Table of values

List of values