krsnera prabhava-vilasa--vasudevadi cari jana
sei cari-janara vilasa--vimsati ganana
krsnera—of Lord Krsna; prabhava-vilasa—prabhava pastime forms; vasudeva-adi—Vasudeva and others; cari jana—quadruple expansions; sei—those; cari-janara—of the four-personalities; vilasa—pastime forms; vimsati ganana—counted as twenty.
"Vasudeva and the three others are direct prabhava pastime forms of Lord Krsna. Of these quadruple forms, the pastime expansions are twenty in number.
Link to this page: https://prabhupadabooks.com/cc/madhya/20/210