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A174875 as a simple table

na(n)
10
20
31
40
50
60
70
81
91
101
110
120
130
140
150
160
170
180
190
200
210
220
230
240
252
260
270
280
290
301
311
320
331
343
351
363
370
381
391
401
411
421
431
441
451
460
470
480
490
500
512
520
532
540
552
560
570
580
590
600
610
620
630
640
650
660
670
680
690
701
710
720
730
740
751
760
770
784
790
800
810
822
830
842
850
862
872
882
890
902
910
920
930
940
950
960
970
980
990
1000
1010
1020
1030
1040
1050

[0,0,1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 2,0,0,0,0,1,1,0,1,3,1,3,0,1,1,1,1,1,1,1,1,0,0,0,0,
 0,2,0,2,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,
 1,0,0,4,0,0,0,2,0,2,0,2,2,2,0,2,0,0,0,0,0,0,0,0,0,
 0,0,0,0,0,0]