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A123550 as a simple table

na(n)
10
21
30
40
50
61
71
80
90
100
110
120
132
142
151
161
171
180
190
200
210
220
230
240
254
266
276
286
295
304
312
321
331
341
350
360
370
380
390
400
410
420
430
449
4515
4623
4731
4836
4934
5031
5127
5221
5314
549
556
564
572
581
591
601
610
620
630
640
650
660
670
680
690
700
710
7220
7344
7484
75134
76196
77249
78288
79313
80317
81303
82267
83224
84180

[0,1,0,0,0,1,1,0,0,0,0,0,2,2,1,1,1,0,0,0,0,0,0,0,
 4,6,6,6,5,4,2,1,1,1,0,0,0,0,0,0,0,0,0,9,15,23,31,
 36,34,31,27,21,14,9,6,4,2,1,1,1,0,0,0,0,0,0,0,0,0,
 0,0,20,44,84,134,196,249,288,313,317,303,267,224,
 180]