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A006414 as a simple table

na(n)
01
19
240
3125
4315
5686
61344
72430
84125
96655
1010296
1115379
1222295
1331500
1443520
1558956
1678489
17102885
18133000
19169785
20214291
21267674
22331200
23406250
24494325
25597051
26716184
27853615
281011375
291191640
301396736
311629144
321891505
332186625
342517480
352887221

[1,9,40,125,315,686,1344,2430,4125,6655,10296,
 15379,22295,31500,43520,58956,78489,102885,133000,
 169785,214291,267674,331200,406250,494325,597051,
 716184,853615,1011375,1191640,1396736,1629144,
 1891505,2186625,2517480,2887221]