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A027954 as a simple table

na(n)
11
25
341
4189
5674
62098
76050
816703
944995
10119575
11315460
12829060
132174596
145698329
1514924829
1639081553
17102326310
18267905078
19701397990
201836299475
214807512695
2212586252715
2332951261576
2486267550344
25225851410184
26591286703533
271548008726545
284052739505253
2910610209821610

[1,5,41,189,674,2098,6050,16703,44995,119575,
 315460,829060,2174596,5698329,14924829,39081553,
 102326310,267905078,701397990,1836299475,
 4807512695,12586252715,32951261576,86267550344,
 225851410184,591286703533,1548008726545,
 4052739505253,10610209821610]