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A145459 as a simple table

na(n)
01
10
20
30
40
50
60
70
80
91
1010
1155
12220
13715
142002
155005
1611440
1724310
1872930
191016158
2018643560
21258952330
222845739820
2326177047270
24209411148144
251495786618975
269722602868550
2758373582056075
28329869586346300
291861266055353705

[1,0,0,0,0,0,0,0,0,1,10,55,220,715,2002,5005,
 11440,24310,72930,1016158,18643560,258952330,
 2845739820,26177047270,209411148144,1495786618975,
 9722602868550,58373582056075,329869586346300,
 1861266055353705]