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A157403 as a simple table

na(n)
11
21
33
41
59
621
71
845
984
10231
111
12165
13840
141155
153465
161
17855
188610
1913860
2020790
2165835
221
233843
2464680
25250635
26291060
27460845
281514205
291
3021819
31689136
323969735
336015240
347373520
3512113640
3640883535
371
38114075

[1,1,3,1,9,21,1,45,84,231,1,165,840,1155,3465,1,
 855,8610,13860,20790,65835,1,3843,64680,250635,
 291060,460845,1514205,1,21819,689136,3969735,
 6015240,7373520,12113640,40883535,1,114075]