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A330047 as a simple table

na(n)
01
10
21
33
413
575
6511
74053
836793
9375735
104262971
1153203953
12724379173
1310684377795
14169713810631
152888340723453
1652433443111153
171011340189494255
1820654264750645491
19445249365444296553
2010103533212012216733
21240731286454287293115
226008902898851584479551

[1,0,1,3,13,75,511,4053,36793,375735,4262971,
 53203953,724379173,10684377795,169713810631,
 2888340723453,52433443111153,1011340189494255,
 20654264750645491,445249365444296553,
 10103533212012216733,240731286454287293115,
 6008902898851584479551]