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A190476 as a simple table

na(n)
01
10
21
31
43
511
625
7127
8441
91954
1010011
1145266
12264583
131445380
148585655
1555660801
16352151073
172482766225
1817559191557
19129772490863
201013321885751
217972553309386
2266428256850935
23564371629663172
244946383948336009
2545027627776367801
26416996057365437135

[1,0,1,1,3,11,25,127,441,1954,10011,45266,264583,
 1445380,8585655,55660801,352151073,2482766225,
 17559191557,129772490863,1013321885751,
 7972553309386,66428256850935,564371629663172,
 4946383948336009,45027627776367801,
 416996057365437135]