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A172118 as a simple table

na(n)
00
11
245
3234
4730
51755
63591
76580
811124
917685
1026785
1139006
1254990
1375439
14101115
15132840
16171496
17218025
18273429
19338770
20415170
21503811
22605935
23722844
24855900
251006525
261176201
271366470
281578934
291815255
302077155
312366416
322684880

[0,1,45,234,730,1755,3591,6580,11124,17685,26785,
 39006,54990,75439,101115,132840,171496,218025,
 273429,338770,415170,503811,605935,722844,855900,
 1006525,1176201,1366470,1578934,1815255,2077155,
 2366416,2684880]