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A248854 as a simple table

na(n)
11
22
33
416
517
6132
71196
811373
9110486
101084604
1110708554
12106091744
131053422338
1410475688326
15104287176418
161039019056245
1710358018863852
18103307491450819
191030734020030317
2010287026204717357
21102692313540015923
221025351434864118025
2310239531292310798955
24102270102190290407385

[1,2,3,16,17,132,1196,11373,110486,1084604,
 10708554,106091744,1053422338,10475688326,
 104287176418,1039019056245,10358018863852,
 103307491450819,1030734020030317,
 10287026204717357,102692313540015923,
 1025351434864118025,10239531292310798955,
 102270102190290407385]