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A180977 as a simple table

na(n)
11
21
31
40
51
60
70
81
91
100
110
121
135
141
150
160
170
188
198
200
210
220
230
249
2550
269
270
280
290
300
316
32181
33181
346
350
360
370
380
393
40438
411823
42438
433
440
450
460
470
481
49775
5011700
5111700
52775
531
540
550
560
570
580
591039
6058090
61189359
6258090
631039
640
650
660
670
680
690
701084
71218120
722218249
732218249

[1,1,1,0,1,0,0,1,1,0,0,1,5,1,0,0,0,8,8,0,0,0,0,9,
 50,9,0,0,0,0,6,181,181,6,0,0,0,0,3,438,1823,438,3,
 0,0,0,0,1,775,11700,11700,775,1,0,0,0,0,0,1039,
 58090,189359,58090,1039,0,0,0,0,0,0,1084,218120,
 2218249,2218249]