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A260138 as a triangular array

36
5858
138128138
266342342266
4727301162730472
9441626296629661626944
1880392876988292769839281880
356289982252224696246962252289983562
686620376619148504889000850486191420376

A260138 as a square array

3658138266472944188035626866
5812834273016263928899820376
1383421162296676982252261914
266730296682922469685048
472162676982469689000
94439282252285048
1880899861914
356220376
3658138266472944188035626866
5812834273016263928899820376
1383421162296676982252261914
266730296682922469685048
472162676982469689000
94439282252285048
1880899861914
356220376