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.

A380645 The expansion of the Stieltjes continued fraction 1/(1 - x/(1 - a(A053645(0))*x/(1 - a(A053645(1))*x/(1 - a(A053645(2))*x/...)))) gives the sequence itself.

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 15
5 52
6 201
7 857
8 4370
9 34365
10 478287
11 9095996
12 189526537
13 4036216585
14 87129122290
15 2478683501397
16 2450240534552191
17 12482183328151728692
18 65634092872761268943625
19 345370818796643845031835465
20 1817414952852912380501431441282

List of values

[1, 1, 2, 5, 15, 52, 201, 857, 4370, 34365, 478287, 9095996, 189526537, 4036216585, 87129122290, 2478683501397, 2450240534552191, 12482183328151728692, 65634092872761268943625, 345370818796643845031835465, 1817414952852912380501431441282]