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.

A076843 Denominators of sequence of fractions defined by a(1) = a(2) = 1; for n > 2, a(n) = (a(n-1)+a(n-2)+1)/a(n-2).

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 15
8 27
9 261
10 2059
11 53321
12 3826345
13 599717165
14 344730727333
15 4379034727152233
16 1299571503802595847199
17 9181632264980134793594508931
18 32308854341042109701936418652172579113
19 67117797048843876734329361265492957492346044762131

List of values

[1, 1, 1, 1, 1, 5, 15, 27, 261, 2059, 53321, 3826345, 599717165, 344730727333, 4379034727152233, 1299571503802595847199, 9181632264980134793594508931, 32308854341042109701936418652172579113, 67117797048843876734329361265492957492346044762131]