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A067453 as a simple table

na(n)
01
11
21
31
41
51
61
71
81
91
101
112
123
134
145
156
167
178
189
1910
201
213
221
236
2428
25120
26495
272002
288008
2931824
301
314
326
3384
34792
356435
3648620
37352716
382496144
3917383860
401
415
4228
43792
4412870
45167960
461961256
4721474180
48225792840
492310789600
501
516
52120
536435

[1,1,1,1,1,1,1,1,1,1,1,2,3,4,5,6,7,8,9,10,1,3,1,6,
 28,120,495,2002,8008,31824,1,4,6,84,792,6435,
 48620,352716,2496144,17383860,1,5,28,792,12870,
 167960,1961256,21474180,225792840,2310789600,1,6,
 120,6435]