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A174492 as a simple table

na(n)
118
270
3540
4800
51486
62984
7500
86760
9776
104060
115604
124030
135744
141710
151744
1646146
17186174
18162886
1962064
2032150
2137416
2216610
2326884
2415006
25130026
2658724

[18,70,540,800,1486,2984,500,6760,776,4060,5604,
 4030,5744,1710,1744,46146,186174,162886,62064,
 32150,37416,16610,26884,15006,130026,58724]