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A185640 as a triangular array

0
404404
8545068854
10296565585655810296
37844678268100947267826837844
290174806985825812774258127748069858290174
1362488967219225741498201223338660574149820967219221362488
8774626

A185640 as a square array

0404854102963784429017413624888774626
404506856558678268806985896721922
85456558100947225812774574149820
10296678268258127741223338660
378448069858574149820
29017496721922
1362488
0404854102963784429017413624888774626
404506856558678268806985896721922
85456558100947225812774574149820
10296678268258127741223338660
378448069858574149820
29017496721922
1362488