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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.

A290777 a(n) = n-th Carlitz-Riordan q-Catalan number (recurrence version) for q = n.

Table of values

n a(n)
0 1
1 1
2 3
3 43
4 5885
5 12833546
6 583552122727
7 667480099386451779
8 22507185898866512901924729
9 25700910736350654917922270058287454
10 1123582754598967452437582737448130799606015691
11 2098715344599001562385695830901626594365732485934286582686

List of values

[1, 1, 3, 43, 5885, 12833546, 583552122727, 667480099386451779, 22507185898866512901924729, 25700910736350654917922270058287454, 1123582754598967452437582737448130799606015691, 2098715344599001562385695830901626594365732485934286582686]

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

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