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A190736 as a simple table

na(n)
01
12
27
329
4139
5731
64096
724005
8145420
9903503
105726290
1136878978
12240663403
131587928511
1410575884599
1571005972250
16480071241463
173265685620913
1822335284505529
19153496543690226
201059443187603955
217340794592800628
2251042913856490028

[1,2,7,29,139,731,4096,24005,145420,903503,
 5726290,36878978,240663403,1587928511,10575884599,
 71005972250,480071241463,3265685620913,
 22335284505529,153496543690226,1059443187603955,
 7340794592800628,51042913856490028]