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A254682 as a simple table

na(n)
11
237
3418
42754
513080
649632
7159654
8452166
91157013
102724865
115988268
1212410476
1324456744
1446132152
1583740980
16146935284
17250134753
18414416277
19669990046
201059399550
211641605680
222497140360
233734542890
245498322570

[1,37,418,2754,13080,49632,159654,452166,1157013,
 2724865,5988268,12410476,24456744,46132152,
 83740980,146935284,250134753,414416277,669990046,
 1059399550,1641605680,2497140360,3734542890,
 5498322570]