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.

A073728 a(n) = Sum_{k=0..n} S(k), where S(n) are the tribonacci generalized numbers A001644.

Table of values

n a(n)
0 3
1 4
2 7
3 14
4 25
5 46
6 85
7 156
8 287
9 528
10 971
11 1786
12 3285
13 6042
14 11113
15 20440
16 37595
17 69148
18 127183
19 233926
20 430257
21 791366
22 1455549
23 2677172
24 4924087
25 9056808
26 16658067
27 30638962
28 56353837
29 103650866
30 190643665
31 350648368
32 644942899

List of values

[3, 4, 7, 14, 25, 46, 85, 156, 287, 528, 971, 1786, 3285, 6042, 11113, 20440, 37595, 69148, 127183, 233926, 430257, 791366, 1455549, 2677172, 4924087, 9056808, 16658067, 30638962, 56353837, 103650866, 190643665, 350648368, 644942899]