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.

A286742 a(n) minimizes (over the integers) the absolute difference between Pi and x(n) + 1/a(n), where x(n) is Pi truncated at the n-th decimal digit.

Table of values

n a(n)
1 7
2 24
3 628
4 1687
5 10793
6 376848
7 1530012
8 18660270
9 278567575
10 1695509434
11 11136696004
12 102111268282
13 1260654956982
14 10725187563686
15 308788493220130
16 4193528956200936
17 25999253094360135
18 118166387818704585
19 2161492060929047665
20 15963377896404315144

List of values

[7, 24, 628, 1687, 10793, 376848, 1530012, 18660270, 278567575, 1695509434, 11136696004, 102111268282, 1260654956982, 10725187563686, 308788493220130, 4193528956200936, 25999253094360135, 118166387818704585, 2161492060929047665, 15963377896404315144]