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A275033 as a simple table

na(n)
14
248
3137
4570
52334
69774
740572
8169348
9704704
102937764
1112236817
1250996499
13212474695
14885374358
153689111563
1615371973010
1764051973628
18266893366673
191112095776824
204633902454111
2119308634583221
2280455590398414

[4,48,137,570,2334,9774,40572,169348,704704,
 2937764,12236817,50996499,212474695,885374358,
 3689111563,15371973010,64051973628,266893366673,
 1112095776824,4633902454111,19308634583221,
 80455590398414]