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A130709 as a simple table

na(n)
01
11
22
34
47
513
622
741
875
9138
10255
11482
12911
131735
143316
156370
1612306
1723907
1846666
1991500
20180119
21355820
22705061
231400722
242788718
255561720
2611107305
2722205839
2844429088
2988942741
30178120533
31356787834
32714732794
331431763102
342867860060

[1,1,2,4,7,13,22,41,75,138,255,482,911,1735,3316,
 6370,12306,23907,46666,91500,180119,355820,705061,
 1400722,2788718,5561720,11107305,22205839,
 44429088,88942741,178120533,356787834,714732794,
 1431763102,2867860060]