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A127920 as a simple table

na(n)
11
24
320
456
5220
6364
7816
81140
92024
104060
114960
128436
1311480
1413244
1517296
1624804
1734220
1837820
1950116
2059640
2164824
2282160
2395284
24117480
25152096
26171700
27182104
28204156
29215820
30240464
31341376
32374660
33428536
34447580
35551300
36573800
37644956

[1,4,20,56,220,364,816,1140,2024,4060,4960,8436,
 11480,13244,17296,24804,34220,37820,50116,59640,
 64824,82160,95284,117480,152096,171700,182104,
 204156,215820,240464,341376,374660,428536,447580,
 551300,573800,644956]