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A246237 as a simple table

na(n)
00
11
28
3100
41432
522570
6377320
76578116
8118238600
92175619923
1040778137032
11775828919936
1214944103723856
13290858342628604
145711285455910096
15113005043943326568
162250850657029983808
1745095294493866921469
18908159403846847306568
1918373705506139825769712

[0,1,8,100,1432,22570,377320,6578116,118238600,
 2175619923,40778137032,775828919936,
 14944103723856,290858342628604,5711285455910096,
 113005043943326568,2250850657029983808,
 45095294493866921469,908159403846847306568,
 18373705506139825769712]