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A144977 as a simple table

na(n)
11
21
33
47
516
641
7108
8301
9881
102684
118455
1227444
1391248
14309593
151068584
163742171
1713269281
1847561455
19172092274
20627887239
212307902495
228539497952
2331786480760
24118960956585
25447413177185
261690336204778
276412656031161

[1,1,3,7,16,41,108,301,881,2684,8455,27444,91248,
 309593,1068584,3742171,13269281,47561455,
 172092274,627887239,2307902495,8539497952,
 31786480760,118960956585,447413177185,
 1690336204778,6412656031161]