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A027437 as a simple table

na(n)
02
15
210
321
443
586
6173
7347
8695
91391
102783
115567
1211134
1322268
1444536
1589072
16178145
17356290
18712581
191425162
202850325
215700650
2211401300
2322802600
2445605201
2591210402
26182420805
27364841611
28729683222
291459366444
302918732888
315837465777
3211674931554

[2,5,10,21,43,86,173,347,695,1391,2783,5567,11134,
 22268,44536,89072,178145,356290,712581,1425162,
 2850325,5700650,11401300,22802600,45605201,
 91210402,182420805,364841611,729683222,1459366444,
 2918732888,5837465777,11674931554]