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A148684 as a simple table

na(n)
01
11
23
37
422
566
6227
7768
82753
99971
1037279
11140691
12540745
132103349
148280868
1532903529
16131904514
17533181995
182170444180
198892860703
2036646858917
21151866209400
22632446821837
232645948283877
2411116175518696
2546888154457285
26198501876181794
27843238066609291
283593501683668228

[1,1,3,7,22,66,227,768,2753,9971,37279,140691,
 540745,2103349,8280868,32903529,131904514,
 533181995,2170444180,8892860703,36646858917,
 151866209400,632446821837,2645948283877,
 11116175518696,46888154457285,198501876181794,
 843238066609291,3593501683668228]