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A005263 as a simple table

na(n)
01
11
21
34
432
5396
66692
7143816
83756104
9115553024
104093236352
11164098040448
127345463787136
13363154251536896
1419653476190481408
151155636468524067328
1673364615077878838784
175001199614295920565248
18364363128390631094137856

[1,1,1,4,32,396,6692,143816,3756104,115553024,
 4093236352,164098040448,7345463787136,
 363154251536896,19653476190481408,
 1155636468524067328,73364615077878838784,
 5001199614295920565248,364363128390631094137856]