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A190781 as a simple table

na(n)
111
231
3151
4911
5541
63641
7272611
818451
912760031
107947701
11767131
124106261531
1328144128251
1434379101
15120196353941
16823837075741
1751164521
184215154433351
192918000731816531
2073998076231
2112462174208709101
22939587136717207031
233467131047901

[11,31,151,911,541,3641,272611,18451,12760031,
 7947701,767131,4106261531,28144128251,34379101,
 120196353941,823837075741,51164521,4215154433351,
 2918000731816531,73998076231,12462174208709101,
 939587136717207031,3467131047901]