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A252401 as a simple table

na(n)
1661
2442
3688
41224
52414
65061
710129
821427
946070
1093671
11200430
12433693
13885001
141898578
154117127
168413072
1718067521
1839215676
1980182777
20172284095
21374104916
22765132570
231644394003
243571453244
257305450882
2615702421450
2734107480805

[661,442,688,1224,2414,5061,10129,21427,46070,
 93671,200430,433693,885001,1898578,4117127,
 8413072,18067521,39215676,80182777,172284095,
 374104916,765132570,1644394003,3571453244,
 7305450882,15702421450,34107480805]