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.

A101461 Row maximum of Catalan triangle with zeros (A053121), i.e., maximum value of (m+1)*binomial(n+1,(n-m)/2)/(n+1) for given n with m same parity as n.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 3
5 5
6 9
7 14
8 28
9 48
10 90
11 165
12 297
13 572
14 1001
15 2002
16 3640
17 7072
18 13260
19 25194
20 48450
21 90440
22 177650
23 326876
24 653752
25 1225785
26 2414425
27 4601610
28 8947575
29 17298645
30 33266625
31 65132550
32 124062000
33 245642760
34 463991880
35 927983760

List of values

[1, 1, 1, 2, 3, 5, 9, 14, 28, 48, 90, 165, 297, 572, 1001, 2002, 3640, 7072, 13260, 25194, 48450, 90440, 177650, 326876, 653752, 1225785, 2414425, 4601610, 8947575, 17298645, 33266625, 65132550, 124062000, 245642760, 463991880, 927983760]