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A337235 as a simple table

na(n)
14
28
316
468
51208
61424
73056
83824
93928
1020912
1152174
1263716
1388708
14123148
15161872
16582224
17887566
1817083292
1918900412
2034648888
2139991684
2244884912
2351390736
24103170448
25107825236
26132238514
27279900272
28686071244
29769252508
303251623346
313358311986
323535011826

[4,8,16,68,1208,1424,3056,3824,3928,20912,52174,
 63716,88708,123148,161872,582224,887566,17083292,
 18900412,34648888,39991684,44884912,51390736,
 103170448,107825236,132238514,279900272,686071244,
 769252508,3251623346,3358311986,3535011826]