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A337913 as a simple table

na(n)
01
11
23
311
446
5213
61064
75617
830903
9175638
101025387
116124272
1237306897
13231245728
141455929352
159298583445
1660183716399
17394471770814
182617028597787
1917567767171467
20119308120317041
21819710477916702
225698161398891266
2340085629171593620
24285471233080868320
252058896624654972561

[1,1,3,11,46,213,1064,5617,30903,175638,1025387,
 6124272,37306897,231245728,1455929352,9298583445,
 60183716399,394471770814,2617028597787,
 17567767171467,119308120317041,819710477916702,
 5698161398891266,40085629171593620,
 285471233080868320,2058896624654972561]