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A255518 as a simple table

na(n)
00
11
26
351
4542
56273
677262
7991264
813109394
9177428496
102445799878
1134218909015
12484668543660
136935979521095
14100136840127534
151456726481340477
1621332234689262126
17314211310198197978
184652073871301311128
1969194159284034697860
201033441834436615884266

[0,1,6,51,542,6273,77262,991264,13109394,
 177428496,2445799878,34218909015,484668543660,
 6935979521095,100136840127534,1456726481340477,
 21332234689262126,314211310198197978,
 4652073871301311128,69194159284034697860,
 1033441834436615884266]