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A187822 as a simple table

na(n)
01
12
24
316
464
5140
6440
7700
81650
92304
105180
113960
123900
1314400
1415600
1543560
1639600
1757600
1856700
1981900
2025200
21112896
22100100
23177840
24198000
25411840
26222768
27226800
28637560
29752400
30556920
31907200
32409500
33565488
341306800
351984500
361884960

[1,2,4,16,64,140,440,700,1650,2304,5180,3960,3900,
 14400,15600,43560,39600,57600,56700,81900,25200,
 112896,100100,177840,198000,411840,222768,226800,
 637560,752400,556920,907200,409500,565488,1306800,
 1984500,1884960]