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A220117 as a simple table

na(n)
00
13
213
347
455
5254
6767
7987
86909
916127
1028657
1128670
12125951
13196575
14393213
154160255
164177911
1725157623
1825157631
1946137325
2067088375
21268296191
22268434303
23268435455

[0,3,13,47,55,254,767,987,6909,16127,28657,28670,
 125951,196575,393213,4160255,4177911,25157623,
 25157631,46137325,67088375,268296191,268434303,
 268435455]