2n+1
HTML
<ul>
</ul>
SCSS
*{margin:0; padding:0;box-sizing:border-box;}
ul {
position:relative;
width:100%;
padding: 20px;
li {
display:inline-block;
margin-right: 10px;
margin-bottom: 10px;
width:50px;
height:50px;
border-radius:50%;
border: 1px solid #ddd;
background: #fff;
text-align:center;
line-height: 48px;
color:#212121;
font-size:12px;
}
}
JavaScript
var i = 1;
for(var i = 1; i <= 50;i++) {
$('ul').append('<li>' + i + '</li>');
}