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A309263 as a simple table

na(n)
11
22
34
48
516
620
732
864
9100
10128
11256
12272
13500
14512
151024
162048
172500
184096
194624
208192
2110100
2212500
2316384
2432768
2562500
2665536
2765792
2878608
29131072
30262144
31312500
32524288
331020100
341048576
351336336
361562500
372097152
384194304
397812500
408388608

[1,2,4,8,16,20,32,64,100,128,256,272,500,512,1024,
 2048,2500,4096,4624,8192,10100,12500,16384,32768,
 62500,65536,65792,78608,131072,262144,312500,
 524288,1020100,1048576,1336336,1562500,2097152,
 4194304,7812500,8388608]