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.

A048209 a(n)=Sum{T(n,j): j=1,2,...,n}, array T given by A048201.

Table of values

n a(n)
1 1
2 5
3 17
4 37
5 77
6 137
7 235
8 355
9 499
10 709
11 951
12 1251
13 1589
14 1981
15 2476
16 3020
17 3615
18 4263
19 4985
20 5785
21 6667
22 7679
23 8783
24 9959
25 11209
26 12587
27 14126
28 15806
29 17604
30 19524
31 21539
32 23779
33 26320
34 29040
35 31875
36 34863
37 38008
38 41276

List of values

[1, 5, 17, 37, 77, 137, 235, 355, 499, 709, 951, 1251, 1589, 1981, 2476, 3020, 3615, 4263, 4985, 5785, 6667, 7679, 8783, 9959, 11209, 12587, 14126, 15806, 17604, 19524, 21539, 23779, 26320, 29040, 31875, 34863, 38008, 41276]