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A327142 as a simple table

na(n)
10
20
30
40
51
61
71
83
93
106
116
126
1310
1410
1515
1615
1721
1821
1921
2028
2128
2236
2336
2436
2545
2645
2755
2855
2966
3066
3166
3278
3378
3491
3591
3691
37105
38105
39120
40120
41120
42136
43136
44153
45153
46171
47171
48171
49190
50190
51210
52210
53210
54231
55231
56253
57253
58276
59276
60276
61300
62300
63325
64325

[0,0,0,0,1,1,1,3,3,6,6,6,10,10,15,15,21,21,21,28,
 28,36,36,36,45,45,55,55,66,66,66,78,78,91,91,91,
 105,105,120,120,120,136,136,153,153,171,171,171,
 190,190,210,210,210,231,231,253,253,276,276,276,
 300,300,325,325]