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A057074 as a simple table

na(n)
18916100448256
24458050224128
32972033482752
42229025112064
51783220089651
61486016741376
71273728635465
81114512556032
9990677827584
10891610044825
11810554586205
12743008370688
13685853880635
14636864317732
15594406696550

[8916100448256,4458050224128,2972033482752,
 2229025112064,1783220089651,1486016741376,
 1273728635465,1114512556032,990677827584,
 891610044825,810554586205,743008370688,
 685853880635,636864317732,594406696550]