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A266124 as a simple table

na(n)
01
12
26
316
442
5104
6252
7600
81402
93218
107282
1116288
1236048
1378988
14171516
15369416
16789762
171676818
183537622
197419544
2015475756
2132112968
2266313088
23136312608
24279000612
25568732738
261154881834
272336565080
284710930856
299466623964
3018963077484
3137871190504

[1,2,6,16,42,104,252,600,1402,3218,7282,16288,
 36048,78988,171516,369416,789762,1676818,3537622,
 7419544,15475756,32112968,66313088,136312608,
 279000612,568732738,1154881834,2336565080,
 4710930856,9466623964,18963077484,37871190504]