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A278863 as a simple table

na(n)
01
10
26
31
416
57
6120
771
832
9991
10512
11255
127552
13767
1431872
1511647
16119296
1748639
18475136
19190463
201931264
21526335
228241152
232269183
2431285248
252662399
26105283584
2799385343
2822249472
291010302975
30319717376
314095574015
321278738432
3317054040063
347262961664

[1,0,6,1,16,7,120,71,32,991,512,255,7552,767,
 31872,11647,119296,48639,475136,190463,1931264,
 526335,8241152,2269183,31285248,2662399,105283584,
 99385343,22249472,1010302975,319717376,4095574015,
 1278738432,17054040063,7262961664]