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A349301 as a simple table

na(n)
01
10
21
35
431
5200
61351
79430
867531
9493505
103665981
1127602081
12210179437
131615820402
1412524590873
1597775503808
16768083233899
176067097140799
1848159634951855
19383965003803985
203073379977522321
2124688458872260007
22198968304164411309

[1,0,1,5,31,200,1351,9430,67531,493505,3665981,
 27602081,210179437,1615820402,12524590873,
 97775503808,768083233899,6067097140799,
 48159634951855,383965003803985,3073379977522321,
 24688458872260007,198968304164411309]