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.

A075885 a(n) = 1 + n + n*[n/2] + n*[n/2]*[n/3] + n*[n/2]*[n/3]*[n/4] +... where [x]=floor(x).

Table of values

n a(n)
0 1
1 2
2 5
3 10
4 29
5 46
6 169
7 239
8 745
9 1450
10 4111
11 5182
12 27157
13 33164
14 84001
15 186496
16 610065
17 713474
18 3061009
19 3526553
20 13783421
21 27380452
22 63264389
23 71240523
24 444872761
25 620729126
26 1400231613
27 2615011102
28 9094701085
29 10008828958

List of values

[1, 2, 5, 10, 29, 46, 169, 239, 745, 1450, 4111, 5182, 27157, 33164, 84001, 186496, 610065, 713474, 3061009, 3526553, 13783421, 27380452, 63264389, 71240523, 444872761, 620729126, 1400231613, 2615011102, 9094701085, 10008828958]