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A275142 as a triangular array

1
12
265
4163614
8488021641
161442244001296122
32432528108820007776365
64129612162320524810000466561094
128388828166464974425344500002799363281
256116646544178723238441360

A275142 as a square array

11248163264128256
2616481444321296388811664
53680224528121628166544
1421640010882320646417872
41129620005248974432384
1227776100002534441360
3654665650000
1094279936
3281
11248163264128256
2616481444321296388811664
53680224528121628166544
1421640010882320646417872
41129620005248974432384
1227776100002534441360
3654665650000
1094279936
3281