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A085449 as a simple table

na(n)
00
11
22
38
424
580
6256
7832
82688
98704
1028160
1191136
12294912
13954368
143088384
159994240
1632342016
17104660992
18338690048
191096024064
203546808320
2111477712896
2237142659072
23120196169728
24388962975744
251258710630400

[0,1,2,8,24,80,256,832,2688,8704,28160,91136,
 294912,954368,3088384,9994240,32342016,104660992,
 338690048,1096024064,3546808320,11477712896,
 37142659072,120196169728,388962975744,
 1258710630400]