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A366772 as a simple table

na(n)
11
21
34
46
512
632
744
8108
9260
10384
11684
122688
132732
145632
1515936
1627864
1743692
18153920
19174764
20499968
21953920
221477440
232796204
2411708928
2512253248
2622380544
2769769600
28115568640
29181990200
30620101632
31715827884
321826150832
333880589184
345726797824

[1,1,4,6,12,32,44,108,260,384,684,2688,2732,5632,
 15936,27864,43692,153920,174764,499968,953920,
 1477440,2796204,11708928,12253248,22380544,
 69769600,115568640,181990200,620101632,715827884,
 1826150832,3880589184,5726797824]