An outlier list (at least compared to what has been posted so far) - edited to delete Hod O'Brien, because, dang it, he's no longer with us.
Kenny Barron - Live at Bradley's - The Perfect Set (Verve)
Bill Charlap - Notes From New York (Verve)
Phil DeGreg - Down the Middle (Prevenient)
Mark Eisenman - Sweet and Lovely (Cornerstone)
Tardo Hammer - Tardo's Tempo - (Sharp Nine)
David Hazeltine - I Remember Cedar (Sharp Nine)
Dick Hyman - House of Pianos (Arbors)
Keith Ingham - Rockin' in Rhythm (Arbors)
Mike LeDonne - Speak (Cellar Live)
Junior Mance - Groovin' With Junior (Sackville)
Rob Schneiderman - Back in Town (Reservoir)
Rossano Sportiello - In the Dark (Sackville)
Spike Wilner - Solo Piano (Smalls Live)
That's 13 - oh well.