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A019544号作为一个简单的表

n个a(n)
10
21
4
49
549
6100
7144
8400
9441
10900
111444
124900
139409
1410000
1510404
1611449
1714400
1819044
1940000
2040401
2144100
2244944
2390000
24144400
25419904
26490000
27491401
28904401
29940900
30994009
311000000
321004004
331014049
341040400
351100401
361144900
371440000
381904400

[0,1,4,9,49,100,144,400,441,900,1444,4900,9409,10000,10404,11449,14400,19044,40000,40401,44100,44944,90000,144400,419904,490000,491401,904401,940900,994009,1000000,1004004,1014049,1040400,1100401,1144900,1440000,1904400]