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A019190 as a simple table

na(n)
30
40
54
66
74
814
960
1090
11216
12630
131496
143382
159144
1622952
1757168
18147708
19386212
20997816
212608600
226894104
2318203272
2448193590
25128294936
26342193010
27913922604
282447360528
296566442000
3017642534388
3147481137536

[0,0,4,6,4,14,60,90,216,630,1496,3382,9144,22952,
 57168,147708,386212,997816,2608600,6894104,
 18203272,48193590,128294936,342193010,913922604,
 2447360528,6566442000,17642534388,47481137536]