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A160663 as a simple table

na(n)
12
25
39
414
519
626
733
841
950
1060
1170
1282
1393
14105
15119
16134
17147
18164
19179
20197
21215
22234
23251
24272
25293
26314
27336
28359
29381
30407
31430
32456
33483
34507
35535
36566
37594
38623
39652
40686
41714
42748
43780
44812
45849
46883
47918
48956
49992
501030
511068
521107
531141
541181

[2,5,9,14,19,26,33,41,50,60,70,82,93,105,119,134,
 147,164,179,197,215,234,251,272,293,314,336,359,
 381,407,430,456,483,507,535,566,594,623,652,686,
 714,748,780,812,849,883,918,956,992,1030,1068,
 1107,1141,1181]