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A112243 as a simple table

na(n)
01
11
27
355
4577
57441
6113671
72003527
839971905
9889608097
1021834577351
11585555975511
1217027451783937
13533460597334705
1417908302027585607
15641152804988733031
1624380543011087797121
17981149507717921468737
1841653436572936172408455
191860174362332664149119607

[1,1,7,55,577,7441,113671,2003527,39971905,
 889608097,21834577351,585555975511,17027451783937,
 533460597334705,17908302027585607,
 641152804988733031,24380543011087797121,
 981149507717921468737,41653436572936172408455,
 1860174362332664149119607]