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A011967 as a simple table

na(n)
04
115
267
3322
41657
59089
652922
7325869
82114719
914418716
10103004851
11769052061
125987339748
1348506099635
14408157244967
153561086589202
1632164670915029
17300324194090773
182894932531218482
1928773297907499129

[4,15,67,322,1657,9089,52922,325869,2114719,
 14418716,103004851,769052061,5987339748,
 48506099635,408157244967,3561086589202,
 32164670915029,300324194090773,2894932531218482,
 28773297907499129]