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A005469 as a simple table

na(n)
12
25
311
426
556
6122
7287
8677
91457
103137
116833
1214885
1335015
1482370
15194300
16458330
17986390
182122850
194570610
209840770
2121435122
2246689890
23101709206
24221563226
25521198276
261226050226
272884185551
286784816901
2916004491001
3037752490001
3189053519001

[2,5,11,26,56,122,287,677,1457,3137,6833,14885,
 35015,82370,194300,458330,986390,2122850,4570610,
 9840770,21435122,46689890,101709206,221563226,
 521198276,1226050226,2884185551,6784816901,
 16004491001,37752490001,89053519001]