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A277479 as a simple table

na(n)
00
10
22
36
444
5360
64206
759584
81021432
920329344
10461596090
1111756157952
12331835099364
1310278341179392
14346555737301606
1512633922368061440
16495139124241620080
1720758413862397509632
18926980786260912379122
1943925328338613823078400
202201264843743619567644700

[0,0,2,6,44,360,4206,59584,1021432,20329344,
 461596090,11756157952,331835099364,10278341179392,
 346555737301606,12633922368061440,
 495139124241620080,20758413862397509632,
 926980786260912379122,43925328338613823078400,
 2201264843743619567644700]