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A173488 as a simple table

na(n)
01
12
24
310
446
5426
66816
7164778
85561666
9248740730
1014187451940
111002045820690
1285615117761142
138682866612715706
141029036311254555560
15140656568448867136650
1621929110364021381812410
173862525357012048643891882
18762298016068721625860646524

[1,2,4,10,46,426,6816,164778,5561666,248740730,
 14187451940,1002045820690,85615117761142,
 8682866612715706,1029036311254555560,
 140656568448867136650,21929110364021381812410,
 3862525357012048643891882,
 762298016068721625860646524]