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A045684 as a simple table

na(n)
00
10
20
30
40
58
632
7168
8616
92380
108464
1130760
12109612
13394816
141420616
155149940
1618736128
1768553728
18251899620
19929814984
203445425136
2112814382452
2247817520376
23178982546512
24671813585080
252528191984496
269536849432000

[0,0,0,0,0,8,32,168,616,2380,8464,30760,109612,
 394816,1420616,5149940,18736128,68553728,
 251899620,929814984,3445425136,12814382452,
 47817520376,178982546512,671813585080,
 2528191984496,9536849432000]