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A301661 as a simple table

na(n)
121
222
346
489
5223
6696
72335
88380
931001
10116558
11442314
121686894
136453062
1424725894
1594832665
16363935417
171397133323
185364622673
1920601302508
2079119265773
21303870780015
221167097983033
234482628695760
2417217197273712

[21,22,46,89,223,696,2335,8380,31001,116558,
 442314,1686894,6453062,24725894,94832665,
 363935417,1397133323,5364622673,20601302508,
 79119265773,303870780015,1167097983033,
 4482628695760,17217197273712]