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.

A278843 a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = Catalan(i+j).

Table of values

n a(n)
0 1
1 2
2 53
3 19148
4 97432285
5 7146659536022
6 7683122105385590481
7 122557371932066196769721048
8 29280740446653388021872592300048913
9 105552099397122165176384278493772205485181002
10 5775235099464970103806328103231969172586171168151193533

List of values

[1, 2, 53, 19148, 97432285, 7146659536022, 7683122105385590481, 122557371932066196769721048, 29280740446653388021872592300048913, 105552099397122165176384278493772205485181002, 5775235099464970103806328103231969172586171168151193533]