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A103465 as a simple table

na(n)
11
21
32
47
525
6118
7551
82812
914445
1076092
11403976
122167116
1311698961
1463544050
15346821209
161901232614

[1,1,2,7,25,118,551,2812,14445,76092,403976,
 2167116,11698961,63544050,346821209,1901232614]