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A237476 as a simple table

na(n)
11337
219175
3273756
44384979
571061267
61184249828
719835148309
8334897261287
95664023361820
1096038927867955
111629266709180709
1227663889012946588
13469779214442404689
147980081823399177753
15135560630371872893890

[1337,19175,273756,4384979,71061267,1184249828,
 19835148309,334897261287,5664023361820,
 96038927867955,1629266709180709,27663889012946588,
 469779214442404689,7980081823399177753,
 135560630371872893890]