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A310921 as a simple table

na(n)
01
14
27
315
416
525
624
733
834
943
1043
1156
1249
1364
1460
1572
1669
1785
1874
1993
2087
21100
2296
23114
2499
25122
26113
27129
28122
29144
30123
31152
32139
33158
34148
35173
36148
37181
38166
39186
40175
41202
42173
43210
44192
45215
46201
47232
48197
49240

[1,4,7,15,16,25,24,33,34,43,43,56,49,64,60,72,69,
 85,74,93,87,100,96,114,99,122,113,129,122,144,123,
 152,139,158,148,173,148,181,166,186,175,202,173,
 210,192,215,201,232,197,240]