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A273378 as a simple table

na(n)
01
11
23
331
4553
518961
6874203
762142991
85423159953
9655008561121
1092608009666803
1116986382591132351
123541042896979933753
13917218574919912685681
14264626392137250618729803
1591981994791776047627320111
1635093294931542583405745553953
1715761280495157673681620641704641
187683715734173928801016321555135203
194330739041520082271329522758307378271
202626405828066727295503315986000018932553

[1,1,3,31,553,18961,874203,62142991,5423159953,
 655008561121,92608009666803,16986382591132351,
 3541042896979933753,917218574919912685681,
 264626392137250618729803,
 91981994791776047627320111,
 35093294931542583405745553953,
 15761280495157673681620641704641,
 7683715734173928801016321555135203,
 4330739041520082271329522758307378271,
 2626405828066727295503315986000018932553]