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A254314 as a simple table

na(n)
01
11
22
35
414
543
6143
7507
81887
97279
1028828
11116455
12477709
131983779
148321474
1535203777
16150014157
17643302743
182773997104
1912020733635
2052319374842
21228616865437
221002544803949
234410700121313
2419462407890220
2586111960348939
26381956399941011

[1,1,2,5,14,43,143,507,1887,7279,28828,116455,
 477709,1983779,8321474,35203777,150014157,
 643302743,2773997104,12020733635,52319374842,
 228616865437,1002544803949,4410700121313,
 19462407890220,86111960348939,381956399941011]