Double-Struck N-Ary Summation
⅀
UNICODE
U+02140HEX CODE
⅀HTML CODE
⅀HTML ENTITY
—CSS CODE
\2140 // html example
<span>⅀</span> // css example
span {
content: "\2140";
} ⅀
U+02140⅀⅀—\2140 // html example
<span>⅀</span> // css example
span {
content: "\2140";
}