There are indeed 32 seeded players and Djokovic is included though it is uncertain whether he would in fact play. The tournament qualification rounds started today and will be completed tomorrow with the tournament proper starting on Friday. With Djokovic still not being in Indian Wells his participation will really be impossible.
Since writing the above - the absence from Djokovic from the tournament and from he succeeding Miami tournament has been confirmed and although Djokovic in theory remains as a seeded player a 33rd seeding has been included.
The 33 seeded players have been identified as follows:-
1 Danill Medvedev 2 Novak Djokovic 3 Alexander Zverev
4 Rafael Nadal
5 Stefanos Tsitsipas 6 Matteo Berrettini 7 Andrey Rublev 8 Casper Ruud 9 Felix Auger-Aliassime 10 Jannik Sinner 11 Hubert Hurkacz 12 Cameron Norrie 13 Denis Shapovalov 14 Diego Schwartzman 15 Roberto Bautista-Agut 16 Pablo Correro-Busta 17 Reilly Opelka 18 Nikoloz Basilashvili 19 Carlos Alcaraz
20 Taylor Fritz
21 Lorenzo Sonego 22 Aslan Karatsev 23 John Isner 24 Marin Cilic 25 Karen Khachanov 26 Gael Monfils 27 Daniel Evans 28 Frances Tiafoe 29 Alec de Minaur 30 Lloyd Harris 31 Alexander Bublik 32 Federico Delbonis 33 Grigor Dimitrov