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A188493 as a simple table

na(n)
00
10
22
36
414
531
6104
7344
81084
93236
109784
1129964
1292241
13282780
14865064
152646292
168102454
1724813838
1875982346
19232630527
20712230076
212180675264
226676819512
2320443032008
2462591840320
25191641545768
26586762729889
271796535598952
285500587026592

[0,0,2,6,14,31,104,344,1084,3236,9784,29964,92241,
 282780,865064,2646292,8102454,24813838,75982346,
 232630527,712230076,2180675264,6676819512,
 20443032008,62591840320,191641545768,586762729889,
 1796535598952,5500587026592]