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A064630 as a simple table

na(n)
12
25
35
416
525
615
766
8121
9146
10771
111220
123641
138093
1415843
1528359
1650236
1733366
1836709
19145250
20137776
21548024
222186496
231066102
244251976
2516984368
2628678103
2713620614
28205950171
29100716646
30381399635
311397934923
323826001641

[2,5,5,16,25,15,66,121,146,771,1220,3641,8093,
 15843,28359,50236,33366,36709,145250,137776,
 548024,2186496,1066102,4251976,16984368,28678103,
 13620614,205950171,100716646,381399635,1397934923,
 3826001641]