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A006851 as a simple table

na(n)
01
13
26
312
424
548
696
7186
8360
9696
101344
112562
124872
139288
1417664
1533384
1663120
17119280
18225072
19423630
20797400
211499256
222817216
235286480
249918768
2518592080
2634840848
2765228874
28122105496
29228402168
30427176336
31798373662
321491985800
332786515176
345203816992
359712725234
3618127267800

[1,3,6,12,24,48,96,186,360,696,1344,2562,4872,
 9288,17664,33384,63120,119280,225072,423630,
 797400,1499256,2817216,5286480,9918768,18592080,
 34840848,65228874,122105496,228402168,427176336,
 798373662,1491985800,2786515176,5203816992,
 9712725234,18127267800]