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A319283 as a simple table

na(n)
01
12
23
36
417
554
6153
7552
82057
98394
1035539
11166926
12856189
134674890
1427358553
15171129072
161141190303
178017021932
1859365844491
19461939618824

[1,2,3,6,17,54,153,552,2057,8394,35539,166926,
 856189,4674890,27358553,171129072,1141190303,
 8017021932,59365844491,461939618824]