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A337661 as a simple table

na(n)
11
22
34
45
510
625
77
814
935
1049
1115
1230
1375
14105
15225
1622
1744
18110
19154
20330
21484
2231
2362
24155
25217
26465
27682
28961
2950
30100
31250
32350
33750
341100
351550
362500
3768
38136
39340
40476
411020
421496
432108
443400
454624
4690
47180
48450
49630
501350
511980
522790
534500
546120
558100

[1,2,4,5,10,25,7,14,35,49,15,30,75,105,225,22,44,
 110,154,330,484,31,62,155,217,465,682,961,50,100,
 250,350,750,1100,1550,2500,68,136,340,476,1020,
 1496,2108,3400,4624,90,180,450,630,1350,1980,2790,
 4500,6120,8100]