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A211371 as a simple table

na(n)
00
11
21
33
47
529
6131
7585
83083
917089
1097987
11607977
123926731
1326344001
14185908739
151358432937
1610279616891
1780819893393
18655374770131
195482528852761
2047329769940331
21420061520283617
223832533793409027
2335926633641149865
24345280194806563931

[0,1,1,3,7,29,131,585,3083,17089,97987,607977,
 3926731,26344001,185908739,1358432937,10279616891,
 80819893393,655374770131,5482528852761,
 47329769940331,420061520283617,3832533793409027,
 35926633641149865,345280194806563931]