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A011863 as a simple table

na(n)
00
10
21
35
416
539
681
7150
8256
9410
10625
11915
121296
131785
142401
153164
164096
175220
186561
198145
2010000
2112155
2214641
2317490
2420736
2524414
2628561
2733215
2838416
2944205
3050625
3157720
3265536
3374120
3483521
3593789
36104976
37117135
38130321
39144590

[0,0,1,5,16,39,81,150,256,410,625,915,1296,1785,
 2401,3164,4096,5220,6561,8145,10000,12155,14641,
 17490,20736,24414,28561,33215,38416,44205,50625,
 57720,65536,74120,83521,93789,104976,117135,
 130321,144590]