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A247701 as a simple table

na(n)
11
222
3122
4333
51333
64444
714444
822333
955555
10122333
11155555
12224444
13666666
141224444
151666666
162255555
173334444
187777777
1912255555
2013334444
2117777777
2222666666
2333355555
2488888888
25122666666
26133355555
27188888888
28223334444
29227777777
30333666666
31999999999

[1,22,122,333,1333,4444,14444,22333,55555,122333,
 155555,224444,666666,1224444,1666666,2255555,
 3334444,7777777,12255555,13334444,17777777,
 22666666,33355555,88888888,122666666,133355555,
 188888888,223334444,227777777,333666666,999999999]