this is a joke, but not a bad one. see table 22.5.4 of the dlmf for a hint http://dlmf.nist.gov/22.5 pic.twitter.com/fCMtcwvmnO
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this is a joke, but not a bad one. see table 22.5.4 of the dlmf for a hint http://dlmf.nist.gov/22.5 pic.twitter.com/fCMtcwvmnO