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A300355 as a simple table

na(n)
01
11
21
33
46
516
647
7132
8410
91254
104052
1112818
1242783
13139082
14469924
151563606
165353966
1718065348
1862491018
19213391790
20743836996
212565135934
228994087070
2331251762932
24110245063771
25385443583008
261365151504722
274800376128986
2817070221456536
2960289267885410

[1,1,1,3,6,16,47,132,410,1254,4052,12818,42783,
 139082,469924,1563606,5353966,18065348,62491018,
 213391790,743836996,2565135934,8994087070,
 31251762932,110245063771,385443583008,
 1365151504722,4800376128986,17070221456536,
 60289267885410]