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A031772 as a simple table

na(n)
12210
28838
319884
435348
555230
679530
7108248
8141384
9178938
10220910
11267300
12318108
13373334
14432978
15497040
16565520
17638418
18715734
19797468
20883620
21974190
221069178
231168584
241272408
251380650
261493310
271610388
281731884
291857798
301988130

[2210,8838,19884,35348,55230,79530,108248,141384,
 178938,220910,267300,318108,373334,432978,497040,
 565520,638418,715734,797468,883620,974190,1069178,
 1168584,1272408,1380650,1493310,1610388,1731884,
 1857798,1988130]