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.

A174303 A symmetrical triangle: T(n,k) = A008292(n+1, k) * f(n,k), where f(n,k) = 2^k when floor(n/2) >= k, otherwise 2^(n-k).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 8
5 1
6 1
7 22
8 22
9 1
10 1
11 52
12 264
13 52
14 1
15 1
16 114
17 1208
18 1208
19 114
20 1
21 1
22 240
23 4764
24 19328
25 4764
26 240
27 1
28 1
29 494
30 17172
31 124952
32 124952
33 17172
34 494
35 1
36 1
37 1004
38 58432
39 705872
40 2499040
41 705872
42 58432
43 1004
44 1
45 1
46 2026
47 191360
48 3641536
49 20965664
50 20965664
51 3641536
52 191360
53 2026
54 1

List of values

[1, 1, 1, 1, 8, 1, 1, 22, 22, 1, 1, 52, 264, 52, 1, 1, 114, 1208, 1208, 114, 1, 1, 240, 4764, 19328, 4764, 240, 1, 1, 494, 17172, 124952, 124952, 17172, 494, 1, 1, 1004, 58432, 705872, 2499040, 705872, 58432, 1004, 1, 1, 2026, 191360, 3641536, 20965664, 20965664, 3641536, 191360, 2026, 1]