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A223790 as a simple table

na(n)
127
2729
38635
462365
5334230
61455816
75425943
817876443
953233499
10145612231
11370377451
12884526855
131998822498
144301425736
158862298953
1617560558967
1733594162385
1862253768525
19112071502931
20196491932081
21336258321854

[27,729,8635,62365,334230,1455816,5425943,
 17876443,53233499,145612231,370377451,884526855,
 1998822498,4301425736,8862298953,17560558967,
 33594162385,62253768525,112071502931,196491932081,
 336258321854]