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A009247 as a simple table

na(n)
01
11
21
36
421
592
6597
73472
826537
9209488
101834249
1117750304
12180938109
132024471360
1423781199197
15300235771648
163989919982673
1756114783183104
18830092069266577
1912879188611161600
20209479116176732901
213554985326516636672

[1,1,1,6,21,92,597,3472,26537,209488,1834249,
 17750304,180938109,2024471360,23781199197,
 300235771648,3989919982673,56114783183104,
 830092069266577,12879188611161600,
 209479116176732901,3554985326516636672]