cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A079968 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={3}.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 7
5 14
6 27
7 51
8 98
9 187
10 357
11 683
12 1305
13 2494
14 4767
15 9110
16 17411
17 33276
18 63596
19 121544
20 232293
21 443954
22 848478
23 1621597
24 3099169
25 5923081
26 11320094
27 21634776
28 41348026
29 79023662
30 151028714
31 288643577
32 551650823
33 1054305916

List of values

[1, 1, 2, 4, 7, 14, 27, 51, 98, 187, 357, 683, 1305, 2494, 4767, 9110, 17411, 33276, 63596, 121544, 232293, 443954, 848478, 1621597, 3099169, 5923081, 11320094, 21634776, 41348026, 79023662, 151028714, 288643577, 551650823, 1054305916]