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A018795 as a simple table

na(n)
00
10
20
30
40
50
60
70
80
90
101
113
128
1320
1448
15112
16256
17576
181280
193280
207968
2117840
2239487
2386587
24188396
25407230
26875320
271872332
284218648
299382099
3020646176
3144125836
3293902740

[0,0,0,0,0,0,0,0,0,0,1,3,8,20,48,112,256,576,1280,
 3280,7968,17840,39487,86587,188396,407230,875320,
 1872332,4218648,9382099,20646176,44125836,
 93902740]