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A069563 as a simple table

na(n)
11
24
39
428
585
6426
73409
823864
9167049
101837540
1118375401
12128627808
131157650273
1410418852458
1583350819665
161250262294976
1722504721309569
18382580262262674
194973543409414763
2064656064322391920

[1,4,9,28,85,426,3409,23864,167049,1837540,
 18375401,128627808,1157650273,10418852458,
 83350819665,1250262294976,22504721309569,
 382580262262674,4973543409414763,
 64656064322391920]