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A267974 as a simple table

na(n)
14
216
316
464
5256
660
7250
84096
93600
10222
11964
1262500
13216000
1449284
15804
163674
17929296
1812067722
1910941048
20646416
212872
2213868
2313498276
24648144348
252208460532
26519718464
278248384
2810132
2951917
30192321424
3133600202086

[4,16,16,64,256,60,250,4096,3600,222,964,62500,
 216000,49284,804,3674,929296,12067722,10941048,
 646416,2872,13868,13498276,648144348,2208460532,
 519718464,8248384,10132,51917,192321424,
 33600202086]