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A066370 as a simple table

na(n)
00
11
2231
326796
41186570
526357430
6359026206
73413156131
824666759216
9143717956515
10703974775735
112989908659661
1211270904497931
1338398515291136
14119929709686710
15347357071281165
16941718655098991
172408309883851256
185847191602173306
1913551450210950905

[0,1,231,26796,1186570,26357430,359026206,
 3413156131,24666759216,143717956515,703974775735,
 2989908659661,11270904497931,38398515291136,
 119929709686710,347357071281165,941718655098991,
 2408309883851256,5847191602173306,
 13551450210950905]