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.

A304935 a(n) is the largest possible integer value for sqrt(0 1 2 ... n), where one is allowed to place any mixture of +'s and *'s in the n blank spaces.

Table of values

n a(n)
1 1
2 0
3 0
4 5
5 11
6 6
7 71
8 19
9 123
10 33
11 174
12 426
13 174
14 233
15 625
16 816
17 5695
18 3656
19 15936
20 246960
21 24234
22 24234
23 35151
24 140604
25 177399
26 250982
27 1304130
28 1304130
29 1304130
30 1304130
31 5532955
32 5532955
33 58136459
34 8525544
35 8525544
36 58136459
37 941988492
38 58136459
39 941988492

List of values

[1, 0, 0, 5, 11, 6, 71, 19, 123, 33, 174, 426, 174, 233, 625, 816, 5695, 3656, 15936, 246960, 24234, 24234, 35151, 140604, 177399, 250982, 1304130, 1304130, 1304130, 1304130, 5532955, 5532955, 58136459, 8525544, 8525544, 58136459, 941988492, 58136459, 941988492]