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.

A061929 Triangle with n >= k >= 0 where a(n,k) = 2^k*3^(n-k)*(C(n+1,0)+C(n+1,1)+...C(n+1,k)).

Table of values

n a(n)
0 1
1 3
2 6
3 9
4 24
5 28
6 27
7 90
8 132
9 120
10 81
11 324
12 576
13 624
14 496
15 243
16 1134
17 2376
18 3024
19 2736
20 2016
21 729
22 3888
23 9396
24 13824
25 14256
26 11520
27 8128
28 2187
29 13122
30 35964
31 60264
32 70416
33 63072
34 47424
35 32640
36 6561
37 43740
38 134136
39 252720
40 331776
41 330048
42 268416

List of values

[1, 3, 6, 9, 24, 28, 27, 90, 132, 120, 81, 324, 576, 624, 496, 243, 1134, 2376, 3024, 2736, 2016, 729, 3888, 9396, 13824, 14256, 11520, 8128, 2187, 13122, 35964, 60264, 70416, 63072, 47424, 32640, 6561, 43740, 134136, 252720, 331776, 330048, 268416]