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.

A141222 Expansion of -1/(2*x) + (2*x-1)^2/(2*x*(1-4x)^(3/2)).

Table of values

n a(n)
0 1
1 5
2 22
3 95
4 406
5 1722
6 7260
7 30459
8 127270
9 529958
10 2200276
11 9111830
12 37650172
13 155266100
14 639191160
15 2627302995
16 10784089350
17 44208873390
18 181025067300
19 740483276610
20 3026059513620
21 12355464845100

List of values

[1, 5, 22, 95, 406, 1722, 7260, 30459, 127270, 529958, 2200276, 9111830, 37650172, 155266100, 639191160, 2627302995, 10784089350, 44208873390, 181025067300, 740483276610, 3026059513620, 12355464845100]