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A171006 as a simple table

na(n)
00
10
20
31
46
51
612
760
8200
9150
10700
112450
127056
138820
1431752
1597020
16261360
17426888
181359072
193864861
2010020010
2119324305
2257257200
23155739584
24393853824
25851005584
262405321568
276347376360
2815774544800
2937026362100
30101219995800
31261312846300

[0,0,0,1,6,1,12,60,200,150,700,2450,7056,8820,
 31752,97020,261360,426888,1359072,3864861,
 10020010,19324305,57257200,155739584,393853824,
 851005584,2405321568,6347376360,15774544800,
 37026362100,101219995800,261312846300]