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A333156 as a simple table

na(n)
01
11
21
38
420
584
6448
71500
88085
937895
10161161
11874328
124053140
1319724964
14103818660
15499182288
162574393657
1713320605595
1866783194335
19351243492600
201816922207100
219395207816280
2249712099948160
23259448325851520
241367225671234800
257260061875376752

[1,1,1,8,20,84,448,1500,8085,37895,161161,874328,
 4053140,19724964,103818660,499182288,2574393657,
 13320605595,66783194335,351243492600,
 1816922207100,9395207816280,49712099948160,
 259448325851520,1367225671234800,7260061875376752]