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A208739型作为一个简单的表

n个a(n)
00
11
22
5
411
525
653
7113
8234
9482
10982
111992
124019
138091
1416249
1532592
1665305
17130775
18261759
19523798
201047949
212096360
224193302
238387353
2416775641
2533552474
2667106428
27134214718
28268431738
29536866347
301073736220
312147476806
324294958947
338589924449

[0,1,2,5,11,25,53,113,234,482,982,1992,4019,8091,16249,32592,65305,130775,261759,523798,1047949,2096360,4193302,8387353,16775641,33552474,67106428,134214718,268431738,536866347,1073736220,2147476806,4294958947,8589924449]