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A154286 as a simple table

na(n)
05
125
275
3175
4350
5630
61050
71650
82475
93575
105005
116825
129100
1311900
1415300
1519380
1624225
1729925
1836575
1944275
2053130
2163250
2274750
2387750
24102375
25118755
26137025
27157325
28179800
29204600
30231880
31261800
32294525
33330225
34369075
35411255

[5,25,75,175,350,630,1050,1650,2475,3575,5005,
 6825,9100,11900,15300,19380,24225,29925,36575,
 44275,53130,63250,74750,87750,102375,118755,
 137025,157325,179800,204600,231880,261800,294525,
 330225,369075,411255]