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A255713 as a simple table

na(n)
13
29
333
4120
5480
62079
79044
839604
9170835
10720348
113105394
1214050148
1364838808
14295178921
151315098518
165765163507
1725132740083
18110592507674
19498297998116
202314042703759
2110991409243669
2252236818282458
23242186086327901

[3,9,33,120,480,2079,9044,39604,170835,720348,
 3105394,14050148,64838808,295178921,1315098518,
 5765163507,25132740083,110592507674,498297998116,
 2314042703759,10991409243669,52236818282458,
 242186086327901]