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A299886 as a triangular array

1
22
343
5445
81610168
135028285013
21112442474411221
3434822267767722234834
551028573359731273597573102855
8927961551215001627716277215001551279689
14482165437101350

A299886 as a square array

123581321345589144
2441650112348102827968216
3410284422257315515437
51628247677359721500101350
85044677312716277
13112222359716277
2134857321500
3410281551
552796
89
123581321345589144
2441650112348102827968216
3410284422257315515437
51628247677359721500101350
85044677312716277
13112222359716277
2134857321500
3410281551
552796
89