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A189700 as a simple table

na(n)
154
22916
377752
41999150
555423132
61553640701
743645304766
81226051976034
934463827972461
10968925997882076
1127242280161913994
12765954539776147015
1321536381951216338725
14605544975017743747314
1517026369106775648529847

[54,2916,77752,1999150,55423132,1553640701,
 43645304766,1226051976034,34463827972461,
 968925997882076,27242280161913994,
 765954539776147015,21536381951216338725,
 605544975017743747314,17026369106775648529847]