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A223819 as a simple table

na(n)
14
24
316
422
5112
6172
71064
81742
911664
1019976
11138640
12243802
131732272
143104312
1522419608
1640745940
17297918608
18547354320
194040882352
207488584886
2155716851136
22103984450924
23778639744064
241461701983398
2511004152490272
2620759785009832

[4,4,16,22,112,172,1064,1742,11664,19976,138640,
 243802,1732272,3104312,22419608,40745940,
 297918608,547354320,4040882352,7488584886,
 55716851136,103984450924,778639744064,
 1461701983398,11004152490272,20759785009832]