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A019245 as a simple table

na(n)
30
40
54
66
74
816
960
1088
11224
12650
131480
143372
159208
1623126
1756988
18147778
19387084
20998552
212604672
226890844
2318189156
2448123802
25128110692
26341753792
27912635960
282443846624
296557775236
3017619900692
3147420051376

[0,0,4,6,4,16,60,88,224,650,1480,3372,9208,23126,
 56988,147778,387084,998552,2604672,6890844,
 18189156,48123802,128110692,341753792,912635960,
 2443846624,6557775236,17619900692,47420051376]