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A043989 as a simple table

na(n)
144
276
3125
4157
5206
6238
7287
8319
9368
10404
11449
12481
13530
14562
15611
16643
17692
18724
19773
20805
21854
22886
23935
24967
251016
261048
271097
281133
291178
301210
311259
321291
331340
341372
351421
361453
371502
381534
391583
401615
411664
421696

[44,76,125,157,206,238,287,319,368,404,449,481,
 530,562,611,643,692,724,773,805,854,886,935,967,
 1016,1048,1097,1133,1178,1210,1259,1291,1340,1372,
 1421,1453,1502,1534,1583,1615,1664,1696]