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A149377 as a simple table

na(n)
01
11
24
312
448
5168
6734
72901
812956
953952
10247794
111076150
125002284
1322265521
14104854868
15476333956
162259433082
1710406933888
1849727145013
19231743193049
201112557697545
215229835292503
2225223740295131
23119457136172201
24578033615443152
252753450989395258
2613365420050944659
2763989848689178980

[1,1,4,12,48,168,734,2901,12956,53952,247794,
 1076150,5002284,22265521,104854868,476333956,
 2259433082,10406933888,49727145013,231743193049,
 1112557697545,5229835292503,25223740295131,
 119457136172201,578033615443152,2753450989395258,
 13365420050944659,63989848689178980]