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A147543 as a simple table

na(n)
06
125
2105
3455
42045
59495
645205
7219055
81074045
95305895
1026335205
11131090655
12653692045
133263166295
1416299929205
1581451898255
16407116166045
172035150690695
1810174462707205
1950868440641855
20254330583216045

[6,25,105,455,2045,9495,45205,219055,1074045,
 5305895,26335205,131090655,653692045,3263166295,
 16299929205,81451898255,407116166045,
 2035150690695,10174462707205,50868440641855,
 254330583216045]