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.

A011248 Twice A000364.

Table of values

n a(n)
0 2
1 2
2 10
3 122
4 2770
5 101042
6 5405530
7 398721962
8 38783024290
9 4809759350882
10 740742376475050
11 138697748786275802
12 31029068327114173810
13 8174145018586247784722
14 2504519282807259730936570
15 883087786498046209107365642
16 355038783159078578873329579330
17 161446598471775796124336494906562

List of values

[2, 2, 10, 122, 2770, 101042, 5405530, 398721962, 38783024290, 4809759350882, 740742376475050, 138697748786275802, 31029068327114173810, 8174145018586247784722, 2504519282807259730936570, 883087786498046209107365642, 355038783159078578873329579330, 161446598471775796124336494906562]