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A056613 as a simple table

na(n)
10
20
30
40
50
60
70
81
91
107
1116
1255
13110
14279
15620
161645
174067
1810843
1927250
2070637
21179011
22462086
231184882
243069135
257906676
2620463274
2752816265
28136655095
29353198379
30914075620
312364815358
326123084116
3315851861075
3441058173683

[0,0,0,0,0,0,0,1,1,7,16,55,110,279,620,1645,4067,
 10843,27250,70637,179011,462086,1184882,3069135,
 7906676,20463274,52816265,136655095,353198379,
 914075620,2364815358,6123084116,15851861075,
 41058173683]