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A031770 as a simple table

na(n)
12117
28466
319047
433860
552905
676182
7103691
8135432
9171405
10211610
11256047
12304716
13357617
14414750
15476115
16541712
17611541
18685602
19763895
20846420
21933177
221024166
231119387
241218840
251322525
261430442
271542591
281658972
291779585
301904430

[2117,8466,19047,33860,52905,76182,103691,135432,
 171405,211610,256047,304716,357617,414750,476115,
 541712,611541,685602,763895,846420,933177,1024166,
 1119387,1218840,1322525,1430442,1542591,1658972,
 1779585,1904430]