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A280563型作为一个简单的表

n个a(n)
01
1
26
13
427
552
6110
7211
8444
9834
101761
113387
127110
1313357
1428187
1554188
16113750
17213755
18450948
19867054
201819931
213420076
227215326
2313873075
2429118668
2554720818
26115445453
27221968691
28465897164
29875530546
301847121613
313551504691
327454357196

[1,3,6,13,27,52,110,211,444,834,1761,3387,7110,13357,28187,54188,113750,213755,450948,867054,1819931,3420076,7215326,13873075,29118668,54720818,115445453,221968691,465897164,875530546,1847121613,3551504691,7454357196]