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A304519 as a simple table

na(n)
188
2232
3520
41096
52248
64552
79160
818376
936808
1073672
11147400
12294856
13589768
141179592
152359240
164718536
179437128
1818874312
1937748680
2075497416
21150994888
22301989832
23603979720
241207959496
252415919048
264831838152
279663676360
2819327352776
2938654705608
3077309411272
31154618822600
32309237645256
33618475290568

[88,232,520,1096,2248,4552,9160,18376,36808,73672,
 147400,294856,589768,1179592,2359240,4718536,
 9437128,18874312,37748680,75497416,150994888,
 301989832,603979720,1207959496,2415919048,
 4831838152,9663676360,19327352776,38654705608,
 77309411272,154618822600,309237645256,
 618475290568]