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A148789 as a simple table

na(n)
01
11
23
38
425
577
6252
7848
82894
910064
1035290
11125487
12450179
131626087
145916476
1521633851
1679579418
17294022842
181090624361
194061006824
2015168490711
2156843270546
22213593833242
23804616157278
243038263114399
2511496594775537
2643593624433215
27165604694730541
28630191189599674
292402056664402975

[1,1,3,8,25,77,252,848,2894,10064,35290,125487,
 450179,1626087,5916476,21633851,79579418,
 294022842,1090624361,4061006824,15168490711,
 56843270546,213593833242,804616157278,
 3038263114399,11496594775537,43593624433215,
 165604694730541,630191189599674,2402056664402975]