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A268586 as a simple table

na(n)
00
10
20
32
49
530
688
7240
8624
91568
103840
119216
1221760
1350688
14116736
15266240
16602112
171351680
183014656
196684672
2014745600
2132374784
2270778880
23154140672
24334495744
25723517440
261560281088
273355443200
287197425664
2915401484288
3032883343360

[0,0,0,2,9,30,88,240,624,1568,3840,9216,21760,
 50688,116736,266240,602112,1351680,3014656,
 6684672,14745600,32374784,70778880,154140672,
 334495744,723517440,1560281088,3355443200,
 7197425664,15401484288,32883343360]