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A055268 as a simple table

na(n)
01
115
265
3185
4420
5826
61470
72430
83795
95665
108151
1111375
1215470
1320580
1426860
1534476
1643605
1754435
1867165
1982005
2099176
21118910
22141450
23167050
24195975
25228501
26264915
27305515
28350610
29400520
30455576
31516120
32582505
33655095
34734265

[1,15,65,185,420,826,1470,2430,3795,5665,8151,
 11375,15470,20580,26860,34476,43605,54435,67165,
 82005,99176,118910,141450,167050,195975,228501,
 264915,305515,350610,400520,455576,516120,582505,
 655095,734265]