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.

A164975 Triangle T(n,k) read by rows: T(n,k) = T(n-1,k) + 2*T(n-1,k-1) + T(n-2,k) - T(n-2,k-1), T(n,0) = A000045(n), 0 <= k <= n-1.

Table of values

n a(n)
1 1
2 1
3 2
4 2
5 3
6 4
7 3
8 8
9 8
10 8
11 5
12 15
13 25
14 20
15 16
16 8
17 30
18 55
19 70
20 48
21 32
22 13
23 56
24 125
25 175
26 184
27 112
28 64
29 21
30 104
31 262
32 440
33 512
34 464
35 256
36 128
37 34
38 189
39 539
40 1014
41 1401
42 1416
43 1136
44 576
45 256
46 55
47 340
48 1075
49 2270
50 3501
51 4170
52 3760
53 2720
54 1280
55 512

List of values

[1, 1, 2, 2, 3, 4, 3, 8, 8, 8, 5, 15, 25, 20, 16, 8, 30, 55, 70, 48, 32, 13, 56, 125, 175, 184, 112, 64, 21, 104, 262, 440, 512, 464, 256, 128, 34, 189, 539, 1014, 1401, 1416, 1136, 576, 256, 55, 340, 1075, 2270, 3501, 4170, 3760, 2720, 1280, 512]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.