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.

A134749 First differences of permutational numbers : a(n)=A134640(n+1)-A134640(n).

Table of values

n a(n)
1 1
2 1
3 3
4 2
5 4
6 4
7 4
8 2
9 6
10 3
11 9
12 6
13 9
14 3
15 18
16 3
17 21
18 9
19 6
20 6
21 15
22 6
23 6
24 9
25 21
26 3
27 18
28 3
29 9
30 6
31 9
32 3
33 -34
34 4
35 16
36 8
37 16
38 4
39 52
40 4
41 36
42 12
43 12
44 8
45 48
46 8
47 12
48 12
49 36
50 4
51 52
52 4
53 16
54 8
55 16
56 4
57 108
58 4
59 16
60 8
61 16
62 4
63 152
64 4
65 56
66 16
67 8
68 12
69 24
70 8
71 32
72 16
73 32
74 8
75 28
76 4
77 36
78 12
79 12
80 8
81 84
82 4
83 36
84 12
85 12
86 8
87 28
88 4
89 56
90 16
91 8
92 12
93 144
94 12
95 8
96 16
97 56
98 4
99 28
100 8
101 12

List of values

[1, 1, 3, 2, 4, 4, 4, 2, 6, 3, 9, 6, 9, 3, 18, 3, 21, 9, 6, 6, 15, 6, 6, 9, 21, 3, 18, 3, 9, 6, 9, 3, -34, 4, 16, 8, 16, 4, 52, 4, 36, 12, 12, 8, 48, 8, 12, 12, 36, 4, 52, 4, 16, 8, 16, 4, 108, 4, 16, 8, 16, 4, 152, 4, 56, 16, 8, 12, 24, 8, 32, 16, 32, 8, 28, 4, 36, 12, 12, 8, 84, 4, 36, 12, 12, 8, 28, 4, 56, 16, 8, 12, 144, 12, 8, 16, 56, 4, 28, 8, 12]