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A249743 as a simple table

na(n)
11
28
334
490
5208
6376
7628
8816
91218
101768
112200
122922
133648
144342
155028
165988
177728
188478
1910116
2011572
2112628
2214298
2316018
2417710
2521630
2623128
2724616
2826856
2928666
3030622
3135686
3238382
3342606
3444062
3550212
3652698
3756362
3860798
3963960
4068680
4173210
4276200
4382702
4485498
4590028
4692136
47101068
48109492
49114180
50119308
51126052
52133122

[1,8,34,90,208,376,628,816,1218,1768,2200,2922,
 3648,4342,5028,5988,7728,8478,10116,11572,12628,
 14298,16018,17710,21630,23128,24616,26856,28666,
 30622,35686,38382,42606,44062,50212,52698,56362,
 60798,63960,68680,73210,76200,82702,85498,90028,
 92136,101068,109492,114180,119308,126052,133122]