A079975 - cp's OEIS frontend

A079975 Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=4, I={3}.

n	a(n)
0	1
1	1
2	2
3	4
4	7
5	14
6	26
7	49
8	93
9	175
10	331
11	625
12	1180
13	2229
14	4209
15	7949
16	15012
17	28350
18	53540
19	101111
20	190950
21	360613
22	681024
23	1286127
24	2428875
25	4586976
26	8662591
27	16359466
28	30895160
29	58346092
30	110187694
31	208091537
32	392984789
33	742159180

[1, 1, 2, 4, 7, 14, 26, 49, 93, 175, 331, 625, 1180, 2229, 4209, 7949, 15012, 28350, 53540, 101111, 190950, 360613, 681024, 1286127, 2428875, 4586976, 8662591, 16359466, 30895160, 58346092, 110187694, 208091537, 392984789, 742159180]

cp's OEIS Frontend

A079975 Number of permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=4, I={3}.

Table of values

List of values