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A347940 as a triangular array

1
22
474
823238
16731157316
3222753353322732
6469723593451235969764
1282123101332075320753101332123128
256643342655118843164731118843426556433256
512194271770536578331220657122065765783317705319427512

A347940 as a square array

1248163264128256512
2723732276972123643319427
42311553323591013342655177053
873533345120753118843657833
162272359207531647311220657
32697101331188431220657
64212342655657833
1286433177053
25619427
512
1248163264128256512
2723732276972123643319427
42311553323591013342655177053
873533345120753118843657833
162272359207531647311220657
32697101331188431220657
64212342655657833
1286433177053
25619427
512