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A027819 as a simple table

na(n)
17
284
3504
42100
56930
619404
748048
8108108
9225225
10440440
11816816
121447992
132469012
144069800
156511680
1610147368
1715444891
1823015916
1933649000
2048348300
2168378310
2295315220
23131105520
24178132500
25239291325
26318073392
27418660704
28546031024
29706074600
30905723280

[7,84,504,2100,6930,19404,48048,108108,225225,
 440440,816816,1447992,2469012,4069800,6511680,
 10147368,15444891,23015916,33649000,48348300,
 68378310,95315220,131105520,178132500,239291325,
 318073392,418660704,546031024,706074600,905723280]