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A094837 as a simple table

na(n)
11
22
34
410
524
646
7100
8225
9525
101225
113136
127056
1317640
1444100
15108900
16261360
17637065
181656369
194008004
2010020010
2125050025
2264128064
23155739584
24393853824
251012766976

[1,2,4,10,24,46,100,225,525,1225,3136,7056,17640,
 44100,108900,261360,637065,1656369,4008004,
 10020010,25050025,64128064,155739584,393853824,
 1012766976]