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A069271 as a simple table

na(n)
01
12
29
352
4340
52394
617710
7135720
81068012
98579560
1070068713
11580034052
124855986044
1341043559340
14349756577100
153001701610320
1625921837477692
17225083787458904
181963988670706228
1917211860478150800
20151433425446423120

[1,2,9,52,340,2394,17710,135720,1068012,8579560,
 70068713,580034052,4855986044,41043559340,
 349756577100,3001701610320,25921837477692,
 225083787458904,1963988670706228,
 17211860478150800,151433425446423120]