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A150598 as a simple table

na(n)
01
12
27
327
4109
5450
61903
78194
835741
9157344
10697999
113116893
1213996825
1363151172
14286073655
151300481403
165930501397
1727120076624
18124329033703
19571252051435
202630067103881
2112131456702272
2256052949780143
23259396236118322
241202143479190801
255578668648467654
2625920643781424351
27120577281586873305

[1,2,7,27,109,450,1903,8194,35741,157344,697999,
 3116893,13996825,63151172,286073655,1300481403,
 5930501397,27120076624,124329033703,571252051435,
 2630067103881,12131456702272,56052949780143,
 259396236118322,1202143479190801,5578668648467654,
 25920643781424351,120577281586873305]