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A240035 as a simple table

na(n)
14
24
316
418
552
662
7162
8204
9530
10672
111736
122198
135706
147202
1518780
1623604
1761718
1877292
19202468
20252872
21663072
22826512
232168300
242698978
257082068
268806712
2723110072
2828718278
2975360086
3093603560
31245616936
32304976256
33800224510

[4,4,16,18,52,62,162,204,530,672,1736,2198,5706,
 7202,18780,23604,61718,77292,202468,252872,663072,
 826512,2168300,2698978,7082068,8806712,23110072,
 28718278,75360086,93603560,245616936,304976256,
 800224510]