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A377013 as a simple table

na(n)
02
12
25
316
464
5321
61927
713490
8107921
9971290
109712901
11106841912
121282102945
1316667338286
14233342736005
153500141040076
1656002256641217
17952038362900690
1817136690532212421
19325597120112036000
206511942402240720001
21136750790447055120022
223008517389835212640485

[2,2,5,16,64,321,1927,13490,107921,971290,9712901,
 106841912,1282102945,16667338286,233342736005,
 3500141040076,56002256641217,952038362900690,
 17136690532212421,325597120112036000,
 6511942402240720001,136750790447055120022,
 3008517389835212640485]