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A086221 as a simple table

na(n)
113
258
3244
41000
54048
616288
765344
8261760
91047808
104192768
1116774144
1267102720
13268423168
141073717248
154294918144
1617179770880
1768719280128
18274877513728
191099510841344
204398044938240
2117592182898688
2270368737886208

[13,58,244,1000,4048,16288,65344,261760,1047808,
 4192768,16774144,67102720,268423168,1073717248,
 4294918144,17179770880,68719280128,274877513728,
 1099510841344,4398044938240,17592182898688,
 70368737886208]