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A188405 as a simple table

na(n)
01
11
25
342
4641
514751
6478711
720758650
81158207312
980758709676
106877184737416
11701994697409136
1284574042067524470
1311870290445670605262
141919446717950100963626
15354168049679464581788796
1673947210994621695613727526
1717342441149450781813176059990

[1,1,5,42,641,14751,478711,20758650,1158207312,
 80758709676,6877184737416,701994697409136,
 84574042067524470,11870290445670605262,
 1919446717950100963626,354168049679464581788796,
 73947210994621695613727526,
 17342441149450781813176059990]