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A151460 as a simple table

na(n)
01
11
24
312
444
5164
6643
72574
810554
943956
10185642
11792846
123418616
1314860606
1465054182
15286536007
161268905654
175646284864
1825232338903
19113194654758
20509574041184
212301247205497
2210422542804458
2347329681905633
24215452103352557
25982977683341317
264494071645187763
2720586153075994492

[1,1,4,12,44,164,643,2574,10554,43956,185642,
 792846,3418616,14860606,65054182,286536007,
 1268905654,5646284864,25232338903,113194654758,
 509574041184,2301247205497,10422542804458,
 47329681905633,215452103352557,982977683341317,
 4494071645187763,20586153075994492]