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A153229 as a simple table

na(n)
00
11
20
32
44
520
6100
7620
84420
935900
10326980
113301820
1236614980
13442386620
145784634180
1581393657020
161226280710980
1719696509177020
18335990918918980
196066382786809020
20115578717622022980
212317323290554617020
2248773618881154822980
231075227108896452857020

[0,1,0,2,4,20,100,620,4420,35900,326980,3301820,
 36614980,442386620,5784634180,81393657020,
 1226280710980,19696509177020,335990918918980,
 6066382786809020,115578717622022980,
 2317323290554617020,48773618881154822980,
 1075227108896452857020]