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A230059 as a simple table

na(n)
10
20
30
40
51
62
72
84
95
106
118
1210
1311
1414
1516
1618
1721
1824
1926
2030
2133
2236
2340
2444
2547
2652
2756
2860
2965

[0,0,0,0,1,2,2,4,5,6,8,10,11,14,16,18,21,24,26,30,
 33,36,40,44,47,52,56,60,65]