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A049899 as a simple table

na(n)
11
21
34
45
56
616
728
845
961
10166
11328
12645
131261
142401
154323
166890
179291
1825471
1950938
20101865
21203701
22407281
23814083
241626410
253248331
266478081
2712879768
2825454120
2949689111
3094526551
31170077063
32271081695
33365608246
341002298186

[1,1,4,5,6,16,28,45,61,166,328,645,1261,2401,4323,
 6890,9291,25471,50938,101865,203701,407281,814083,
 1626410,3248331,6478081,12879768,25454120,
 49689111,94526551,170077063,271081695,365608246,
 1002298186]