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A019196 as a simple table

na(n)
30
40
54
66
78
822
960
10102
11262
12694
131564
143552
159430
1623423
1757108
18144774
19374118
20953824
212460356
226427240
2316851190
2444243785
25117119492
26311098391
27828359180
282211105633
295921156854
3015876753164
3142641417130

[0,0,4,6,8,22,60,102,262,694,1564,3552,9430,23423,
 57108,144774,374118,953824,2460356,6427240,
 16851190,44243785,117119492,311098391,828359180,
 2211105633,5921156854,15876753164,42641417130]