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A375653 as a simple table

na(n)
01
11
23
313
449
5321
61891
713693
8113793
9942049
109428131
1193837261
121043918833
1312318170593
14151123106499
152024107965181
1627672074520961
17406722703307073
186188268876372163
1998499148173678349
201645657615850089521
2128317883192163927041

[1,1,3,13,49,321,1891,13693,113793,942049,9428131,
 93837261,1043918833,12318170593,151123106499,
 2024107965181,27672074520961,406722703307073,
 6188268876372163,98499148173678349,
 1645657615850089521,28317883192163927041]