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A218181 as a simple table

na(n)
14
24
34
416
528
616
736
8192
9192
1036
1194
12956
132936
14956
1594
16236
175494
1833152
1933152
205494
21236
22602
2330888
24434210
25851332
26434210
2730888
28602
291528
30172038
315528352
3225006046
3325006046
345528352
35172038
361528
373882
38964828
3970125438
40710907184

[4,4,4,16,28,16,36,192,192,36,94,956,2936,956,94,
 236,5494,33152,33152,5494,236,602,30888,434210,
 851332,434210,30888,602,1528,172038,5528352,
 25006046,25006046,5528352,172038,1528,3882,964828,
 70125438,710907184]