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.

A102035 Carrie's triangle, read by rows, where the terms are generated by the rule: T(n,k) = T(n-1,k) + T(n-1,k-1) + T(n-2,k-1) + T(n-3,k-1) + T(n-3,k), with T(0,0)=1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 1
6 2
7 6
8 5
9 1
10 3
11 11
12 15
13 7
14 1
15 4
16 20
17 36
18 28
19 9
20 1
21 6
22 35
23 78
24 85
25 45
26 11
27 1
28 9
29 59
30 159
31 221
32 166
33 66
34 13
35 1
36 13
37 98
38 309
39 522
40 509
41 287
42 91
43 15
44 1
45 19
46 161
47 579
48 1153
49 1382
50 1018
51 456
52 120
53 17
54 1
55 28
56 261
57 1056
58 2421
59 3444
60 3141
61 1840
62 681
63 153
64 19
65 1
66 41
67 419

List of values

[1, 1, 1, 1, 3, 1, 2, 6, 5, 1, 3, 11, 15, 7, 1, 4, 20, 36, 28, 9, 1, 6, 35, 78, 85, 45, 11, 1, 9, 59, 159, 221, 166, 66, 13, 1, 13, 98, 309, 522, 509, 287, 91, 15, 1, 19, 161, 579, 1153, 1382, 1018, 456, 120, 17, 1, 28, 261, 1056, 2421, 3444, 3141, 1840, 681, 153, 19, 1, 41, 419]