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A011817 as a simple table

na(n)
00
10
20
30
40
50
60
70
80
91
10287
1149414
126721391
13803816457
1489294859907
159517387613809
16993526926534580
17102994962998587912
1810705388607233154107
191123359305409427947266

[0,0,0,0,0,0,0,0,0,1,287,49414,6721391,803816457,
 89294859907,9517387613809,993526926534580,
 102994962998587912,10705388607233154107,
 1123359305409427947266]