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A335819 as a simple table

na(n)
01
13
212
354
4270
51458
68424
751516
8331452
92230740
1015641424
11113846472
12857706408
136671592216
1453465326560
15440602852752
163727748253456
1732332181692464
18287111706003648
192607272929404000
2024187186030419936
21228997933855499808
222210786521482955392
2321746223198911853504

[1,3,12,54,270,1458,8424,51516,331452,2230740,
 15641424,113846472,857706408,6671592216,
 53465326560,440602852752,3727748253456,
 32332181692464,287111706003648,2607272929404000,
 24187186030419936,228997933855499808,
 2210786521482955392,21746223198911853504]