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.

A069340 Number of 18 X n binary arrays with path of adjacent 1's from upper right corner to lower left corner.

Table of values

n a(n)
1 1
2 4684659
3 4309313949364
4 2192685751594010696
5 842135117177233838318221
6 276779468917310425392340761357
7 82650556110091137942716277468309260
8 23148397411303556672474237800571851799252
9 6193097960464507527053208548973296715713058621

List of values

[1, 4684659, 4309313949364, 2192685751594010696, 842135117177233838318221, 276779468917310425392340761357, 82650556110091137942716277468309260, 23148397411303556672474237800571851799252, 6193097960464507527053208548973296715713058621]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.