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A037567 as a simple table

na(n)
12
222
3221
42212
522122
6221221
72212212
822122122
9221221221
102212212212
1122122122122
12221221221221
132212212212212
1422122122122122
15221221221221221
162212212212212212

[2,22,221,2212,22122,221221,2212212,22122122,
 221221221,2212212212,22122122122,221221221221,
 2212212212212,22122122122122,221221221221221,
 2212212212212212]