\[DoubleStruckFour] (Mathematica Character Name)

Unicode: F7DF. Alias: Esc ds4 Esc.

\[DoubleStruckG] (Mathematica Character Name)

Unicode: F6EC. Alias: Esc dsg Esc.

\[DoubleStruckH] (Mathematica Character Name)

Unicode: F6ED. Alias: Esc dsh Esc.

\[DoubleStruckI] (Mathematica Character Name)

Unicode: F6EE. Alias: Esc dsi Esc.

\[DoubleStruckJ] (Mathematica Character Name)

Unicode: F6EF. Alias: Esc dsj Esc.

\[DoubleStruckK] (Mathematica Character Name)

Unicode: F6F0. Alias: Esc dsk Esc.

\[DoubleStruckL] (Mathematica Character Name)

Unicode: F6F1. Alias: Esc dsl Esc.

\[DoubleStruckM] (Mathematica Character Name)

Unicode: F6F2. Alias: Esc dsm Esc.

\[DoubleStruckNine] (Mathematica Character Name)

Unicode: F7E4. Alias: Esc ds9 Esc.

\[DoubleStruckN] (Mathematica Character Name)

Unicode: F6F3. Alias: Esc dsn Esc.