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A184313 as a simple table

na(n)
11
21
31
42
52
65
716
868
9244
101106
114041
1215802
1360716
14234319
15885466
163369738
1712612488
1847251424
19174691216
20644760884
212353213266
228557977690
2330825999521
24110546795278
25393117952349
261390864413489
274884724958228
2817059662985333

[1,1,1,2,2,5,16,68,244,1106,4041,15802,60716,
 234319,885466,3369738,12612488,47251424,174691216,
 644760884,2353213266,8557977690,30825999521,
 110546795278,393117952349,1390864413489,
 4884724958228,17059662985333]