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A102698 as a simple table

na(n)
18
280
3368
41264
53448
67792
716176
830696
954216
1090104
11143576
12220328
13326680
14471232
15664648
16916344
171241856
181655208
192172584
202812664
213598664
224553800
235702776
247075264
258705088
2610628928
2712880056
2815496616
2918523472
3022003808

[8,80,368,1264,3448,7792,16176,30696,54216,90104,
 143576,220328,326680,471232,664648,916344,1241856,
 1655208,2172584,2812664,3598664,4553800,5702776,
 7075264,8705088,10628928,12880056,15496616,
 18523472,22003808]