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A238127 as a simple table

na(n)
00
10
20
31
42
56
617
757
8191
9663
102415
119108
1235695
13143989
14599802
152566917
1611298164
1750967216
18235745644
191115324000
205397332497
2126669487517
22134528555379
23691856601631
243626390958551
2519353306241764
26105122093620388
27580689432523534
283260906342453966

[0,0,0,1,2,6,17,57,191,663,2415,9108,35695,143989,
 599802,2566917,11298164,50967216,235745644,
 1115324000,5397332497,26669487517,134528555379,
 691856601631,3626390958551,19353306241764,
 105122093620388,580689432523534,3260906342453966]