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A149364 as a simple table

na(n)
01
11
24
312
444
5168
6690
72854
812137
952565
10230978
111027736
124618934
1320940759
1495652631
15439609712
162032093808
179437604683
1844029824803
19206186450321
20969017501835
214568147835026
2221597469460174
23102372497782333
24486400762196343
252316061651796092
2611050201383338180
2752819654295561794

[1,1,4,12,44,168,690,2854,12137,52565,230978,
 1027736,4618934,20940759,95652631,439609712,
 2032093808,9437604683,44029824803,206186450321,
 969017501835,4568147835026,21597469460174,
 102372497782333,486400762196343,2316061651796092,
 11050201383338180,52819654295561794]