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.

A370758 Number of ramified partitions (I,J) of size n, where J is balanced with respect to up brackets and down brackets.

Table of values

n a(n)
0 1
1 1
2 5
3 48
4 747
5 17040
6 531810
7 21634515
8 1107593235
9 69482175840
10 5229801016650
11 464302838867175
12 47939015445032250
13 5688437019459319125
14 767922887039461928775
15 116915022542869964287875
16 19922514312608630279431875
17 3774243527942494591068084000
18 790220453914362566924533955250

List of values

[1, 1, 5, 48, 747, 17040, 531810, 21634515, 1107593235, 69482175840, 5229801016650, 464302838867175, 47939015445032250, 5688437019459319125, 767922887039461928775, 116915022542869964287875, 19922514312608630279431875, 3774243527942494591068084000, 790220453914362566924533955250]

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

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