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A381094 as a simple table

na(n)
10
20
30
40
50
62
73
84
90
106
116
122
134
145
156
168
170
182
193
204
218
229
2310
240
252
264
276
287
298
3010
3112
323
335
346
359
3610
3712
386
3910
4012
4114
420
432
443
454
468
479
4810
4914
5015
5116
520
532
544
555
566
578
5812
5914
6015
6116
6218
633
646
657
669
6712
6814
6915
7018
712
724
736
748
7510
7611
7712
7814
7916
8018
8120

[0,0,0,0,0,2,3,4,0,6,6,2,4,5,6,8,0,2,3,4,8,9,10,0,
 2,4,6,7,8,10,12,3,5,6,9,10,12,6,10,12,14,0,2,3,4,
 8,9,10,14,15,16,0,2,4,5,6,8,12,14,15,16,18,3,6,7,
 9,12,14,15,18,2,4,6,8,10,11,12,14,16,18,20]