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A049651 as a simple table

na(n)
00
11
26
327
4116
5493
62090
78855
837512
9158905
10673134
112851443
1212078908
1351167077
14216747218
15918155951
163889371024
1716475640049
1869791931222
19295643364939
201252365390980
215305104928861
2222472785106426
2395196245354567
24403257766524696
251708227311453353
267236167012338110

[0,1,6,27,116,493,2090,8855,37512,158905,673134,
 2851443,12078908,51167077,216747218,918155951,
 3889371024,16475640049,69791931222,295643364939,
 1252365390980,5305104928861,22472785106426,
 95196245354567,403257766524696,1708227311453353,
 7236167012338110]