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A180806 as a simple table

na(n)
10
26
342
4166
5612
61649
74501
89772
921631
1039911
1178602
12131634
13234593
14361145
15603810
16883492
171396448
181928226
192949092
203948312
215771436
227496953
2310742472
2413520820
2518931459
2623338564
2731813882
2838799595
2952158316
3061609006
3182337294

[0,6,42,166,612,1649,4501,9772,21631,39911,78602,
 131634,234593,361145,603810,883492,1396448,
 1928226,2949092,3948312,5771436,7496953,10742472,
 13520820,18931459,23338564,31813882,38799595,
 52158316,61609006,82337294]