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.

A235496 a(n) = round(n^n/n!) where round(1/2)=1.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 11
5 26
6 65
7 163
8 416
9 1068
10 2756
11 7148
12 18614
13 48639
14 127463
15 334865
16 881658
17 2325751
18 6145597
19 16263866
20 43099804
21 114356611
22 303761260
23 807692035
24 2149632061
25 5726042115
26 15264691107
27 40722913454
28 108713644516
29 290404350963
30 776207020880

List of values

[1, 1, 2, 5, 11, 26, 65, 163, 416, 1068, 2756, 7148, 18614, 48639, 127463, 334865, 881658, 2325751, 6145597, 16263866, 43099804, 114356611, 303761260, 807692035, 2149632061, 5726042115, 15264691107, 40722913454, 108713644516, 290404350963, 776207020880]