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.

A277829 First Series of Hankel determinants based on squares of Catalan numbers.

Table of values

n a(n)
0 1
1 1
2 9
3 1035
4 1686931
5 40768984675
6 14961837668926225
7 84566159505295329041875
8 7428544024130633312561150929275
9 10204389867956705680354458767618278532475
10 220168039594282987862502167563496178988004727093379
11 74853381374809235976722939648065921771360016655877341808897465

List of values

[1, 1, 9, 1035, 1686931, 40768984675, 14961837668926225, 84566159505295329041875, 7428544024130633312561150929275, 10204389867956705680354458767618278532475, 220168039594282987862502167563496178988004727093379, 74853381374809235976722939648065921771360016655877341808897465]

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

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