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A301456 as a simple table

na(n)
01
11
23
312
449
5217
61006
74810
823576
9117812
10597937
113073874
1215972678
1383758809
14442681653
152355678968
1612610759255
1767868269712
18366979432955
191992755590086
2010862329206524
2159414599714958
22326009477088080
231793977307978268
249898072238695390
2554744525395860053
26303463833091357785

[1,1,3,12,49,217,1006,4810,23576,117812,597937,
 3073874,15972678,83758809,442681653,2355678968,
 12610759255,67868269712,366979432955,
 1992755590086,10862329206524,59414599714958,
 326009477088080,1793977307978268,9898072238695390,
 54744525395860053,303463833091357785]