Hudson Vol. #s and release dates as culled from PCE Daisakusen:
# Title Release Date
1 The Kung 11/21/1987
2 Bikkuri World 10/30/1987
3 Victory Run 12/28/1987
4 Shanghai 10/30/1987
5 Necromancer 01/22/1988
6 Kato chan & Ken chan 11/30/1987
7 R-TYPE I 03/25/1988
8 Yuu Yuu Jinsei 04/22/1988
9 R-TYPE II 06/03/1988
10 Sengoku Mahjong 07/08/1988
11 Power League 06/24/1988
12 Mashin Eiyuuden Wataru 08/30/1988
13 Appare! Gateball 12/22/1988
14 Sadakichi Seven 11/18/1988
15 Dungeon Explorer 03/04/1989
16 Nectaris 02/09/1989
17 Susa No Ou Densetsu 04/27/1989
18 Power Golf 05/25/1989
19 Gunhed 07/07/1989
20 Power League II 08/08/1989
21 Super Momotarou Dentetsu 09/15/1989
22 Doraemon Meikyuu Daisakusen 10/31/1989
23 Neutopia 11/17/1989
24 PC Genjin 12/15/1989
25 Blodia 02/23/1990
26
27 Maniac Pro Wrestling 05/25/1990
28 Be Ball 03/30/1990
29 Momotarou Densetsu Turbo 07/20/1990
30 Super Star Soldier 07/06/1990
31 Power League III 08/10/1990
32 Momotarou Katsugeki 09/21/1990
33 Aero Blaster 11/02/1990
34 Bomberman 12/07/1990
35 Momotarou Densetsu II 12/22/1990
36 Jackie Chan 01/18/1991
37 Populous 04/05/1991
38 Adventure Island 04/19/1991
39 Power Eleven 06/21/1991
40 Final Soldier 07/05/1991
41 PC Genjin 2 07/19/1991
42 Power League IV 08/09/1991
43 Neutopia II 09/27/1991
44 Raiden 11/22/1991
45 Super Momotarou Dentetsu II 12/20/1991
46 Doraemon - Nobita No Dorabian Night 12/06/1991
47 Ninja Ryūkenden 01/24/1992
48
49 Takahashi Meijin No Shinboukenjima 06/26/1992
50 Soldier Blade 07/10/1992
51 Power League V 08/07/1992
52 Honou No Doukyuuji Dodge Danpei 09/25/1992
53 Power Sports 10/10/1992
54 PC Denjin - Punkic Cyborgs 11/20/1992
55 Momotarou Densetsu Gaiden Daiichi 12/04/1992
56 Bomberman '93 12/11/1992
57 Battle Lode Runner 02/10/1993
58 PC Genjin 3 04/02/1993
59 Power Tennis 06/25/1993
60 Power League '93 10/15/1993
61 Bomberman '94 12/10/1993
As you can see, they're roughly chronological but a bit out of order based on release dates.
Also, had the volume numbers not been assigned until release, there wouldn't be two missing volume numbers for presumably canceled titles.