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A267334 as a simple table

na(n)
124
20
30
40
51
630
71929
839176
9359300
102137958
118673978
1228057788
1385957339
14458944852
155886421812
1690849742097
171176923389969
1812082727920233
1999048629549120

[24,0,0,0,1,30,1929,39176,359300,2137958,8673978,
 28057788,85957339,458944852,5886421812,
 90849742097,1176923389969,12082727920233,
 99048629549120]