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.

A263295 Denominators of the n-th iteration of the alternating continued fraction formed from the positive integers, starting with (1 - ...).

Table of values

n a(n)
1 3
2 5
3 33
4 111
5 933
6 4913
7 50585
8 364717
9 4460647
10 40920133
11 580574377
12 6472209467
13 104581586665
14 1373040648769
15 24902871413201
16 376386726269561
17 7573128424949291
18 129519388933667493
19 2863373356440803473
20 54670305859684290279
21 1317404009250178503245

List of values

[3, 5, 33, 111, 933, 4913, 50585, 364717, 4460647, 40920133, 580574377, 6472209467, 104581586665, 1373040648769, 24902871413201, 376386726269561, 7573128424949291, 129519388933667493, 2863373356440803473, 54670305859684290279, 1317404009250178503245]