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A320917 as a simple table

na(n)
11
215
370
4219
5546
61050
72150
83315
95299
108190
1113542
1215330
1326690
1432250
1538220
1651491
1779170
1879485
19124166
20119574
21150500
22203130
23268710
24232050
25330771
26400350
27419020
28470850
29684546
30573300
31895622
32811395
33947940
341187550
351173900
361160481
371826210
381862490
391868300
401809990

[1,15,70,219,546,1050,2150,3315,5299,8190,13542,
 15330,26690,32250,38220,51491,79170,79485,124166,
 119574,150500,203130,268710,232050,330771,400350,
 419020,470850,684546,573300,895622,811395,947940,
 1187550,1173900,1160481,1826210,1862490,1868300,
 1809990]