User blog comment:Moooosey/Simple psi-- a fairly simple ocf/@comment-43798125-20191105221608/@comment-35470197-20191106222937

Then \(\psi^1(\alpha)\) is \(\Gamma_{\Omega+1+\alpha}\) for any \(\alpha < \varphi(1,0,\Omega+1)\), and is \(\varphi(1,0,\Omega+1)\) for any \(\alpha \geq \varphi(1,0,\Omega+1)\) if I am correct.