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A353028 as a simple table

na(n)
00
11
22
35
415
547
6156
7527
81826
96407
1022762
1181587
12294711
131070973
143912808
1514358493
1652893647
17195498831
18724704974
192693397035
2010033263089
2137452388361
22140063288728

[0,1,2,5,15,47,156,527,1826,6407,22762,81587,
 294711,1070973,3912808,14358493,52893647,
 195498831,724704974,2693397035,10033263089,
 37452388361,140063288728]