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A346658 as a simple table

na(n)
01
11
21
33
47
527
694
7425
82100
912252
1079865
11576220
124532457
1338657929
14354600915
153485914368
1636545825768
17407149542540

[1,1,1,3,7,27,94,425,2100,12252,79865,576220,
 4532457,38657929,354600915,3485914368,36545825768,
 407149542540]