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A094261 as a simple table

na(n)
11
22
36
412
540
690
7168
8560
91296
102520
114400
1214256
1332760
1464064
15113400
16187200
17586432
181321920
192560896
204522000
217484400
2211797632
2335784320
2478871968
25150480000
26263120000
27433060992
28681080400
291033305728
303044304000

[1,2,6,12,40,90,168,560,1296,2520,4400,14256,
 32760,64064,113400,187200,586432,1321920,2560896,
 4522000,7484400,11797632,35784320,78871968,
 150480000,263120000,433060992,681080400,
 1033305728,3044304000]