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A245374 as a simple table

na(n)
01
13
212
354
4288
51782
612474
796714
8819882
97536402
1074610234
11790692354
128921660922
13106687646802
141346863560714
1517890362862434
16249297686894682
173634756665823602
1855317506662094634
19876911386062810114
2014451743847813157242
21247171758180997987602
224380263376360686471754

[1,3,12,54,288,1782,12474,96714,819882,7536402,
 74610234,790692354,8921660922,106687646802,
 1346863560714,17890362862434,249297686894682,
 3634756665823602,55317506662094634,
 876911386062810114,14451743847813157242,
 247171758180997987602,4380263376360686471754]