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Is there a blackboard bold font package corresponding to the code below?

\mathrm{I\!R}
\mathrm{I\!N}

enter image description here

Hopefully, said package would include a symbol for the integers. I really like how these symbols look, much more than the standard amsmath ones. Knuth just writes the first symbol in the TeXbook without mentioning anything else.

occamsrazor
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  • Now what's exactly the issue with the amsmath ones? It would be nice, if you could specify your requirements a bit further. – TeXnician Sep 29 '17 at 05:19
  • @TeXnician I don't have technical requirements - that's why I didn't include technical criticisms in the body of my post. My issue is strictly one of taste. I feel like the amsmath blackboard bold fonts look busy, whereas the plain \mathbf{R} looks a little spartan for my tastes. The symbols in my post seem to have the "just right" quality. – occamsrazor Sep 29 '17 at 05:32
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    Does this help? – Masroor Sep 29 '17 at 05:35
  • @occamsrazor I've never seen such a font (but I dislike that appearance, so didn't really look deeply). – egreg Sep 29 '17 at 08:00

1 Answers1

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What about \mathds from dsfont package? 

\documentclass{article}
\usepackage{dsfont}

\begin{document}
    \[
    \mathds{R} \quad \mathds{N} \quad \mathds{I} \quad \mathds{Z}
    \]
\end{document}

enter image description here

CarLaTeX
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