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A305497 as a simple table

na(n)
12
24
38
414
522
634
752
880
9122
10184
11278
12418
13628
14944
151418
162128
173194
184792
197190
2010786
2116180
2224272
2336410
2454616
2581926
26122890
27184336
28276506
29414760
30622142
31933214
321399822
332099734
343149602
354724404
367086608
3710629914
3815944872
3923917310

[2,4,8,14,22,34,52,80,122,184,278,418,628,944,
 1418,2128,3194,4792,7190,10786,16180,24272,36410,
 54616,81926,122890,184336,276506,414760,622142,
 933214,1399822,2099734,3149602,4724404,7086608,
 10629914,15944872,23917310]