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A278423 as a simple table

na(n)
01
10
21
312
45
548
67
7244
817
9964
1017
114036
1281
1316132
14117
1565360
16263
17261236
18337
191047556
201393
214190276
221809
2316774468
244117
2567094336
265407
27268419156
2822337
291073677596
3028753
314294924036
3266929
3317179635796
3487809
3568719215732
36356689

[1,0,1,12,5,48,7,244,17,964,17,4036,81,16132,117,
 65360,263,261236,337,1047556,1393,4190276,1809,
 16774468,4117,67094336,5407,268419156,22337,
 1073677596,28753,4294924036,66929,17179635796,
 87809,68719215732,356689]