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A077627 as a simple table

na(n)
12
24
310
416
530
652
792
8160
9280
10484
11840
121456
132524
144372
157574
1613120
1722726
1839364
1968182
20118096
21204550
22354292
23613654
241062880
251840964
263188644
275522896
289565936
2916568690
3028697812
3149706070
3286093440
33149118214
34258280324
35447354646
36774840976
371342063940

[2,4,10,16,30,52,92,160,280,484,840,1456,2524,
 4372,7574,13120,22726,39364,68182,118096,204550,
 354292,613654,1062880,1840964,3188644,5522896,
 9565936,16568690,28697812,49706070,86093440,
 149118214,258280324,447354646,774840976,
 1342063940]