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A319077 as a simple table

na(n)
01
10
21
33
412
537
6130
7428
81481
95091
1017979
1164176
12234311
13869645
143295100
1512720494
1650083996
17200964437
18821845766
193423694821
2014524845181
2162725701708
22275629610199
231231863834775
245597240308384
2525844969339979
26121224757935416
27577359833539428
282791096628891679

[1,0,1,3,12,37,130,428,1481,5091,17979,64176,
 234311,869645,3295100,12720494,50083996,200964437,
 821845766,3423694821,14524845181,62725701708,
 275629610199,1231863834775,5597240308384,
 25844969339979,121224757935416,577359833539428,
 2791096628891679]