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A154918 as a triangular array

2
55
2911229
22111441144221
18211200016016120001821
1550512711020672020672012711015505
13459713095282838752261500828387521309528134597
11840411312638637818900373286553732865537818900131263861184041

A154918 as a square array

25292211821155051345971184041
5112114412000127110130952813126386
29114416016206720283875237818900
22112000206720261500837328655
1821127110283875237328655
15505130952837818900
13459713126386
1184041
25292211821155051345971184041
5112114412000127110130952813126386
29114416016206720283875237818900
22112000206720261500837328655
1821127110283875237328655
15505130952837818900
13459713126386
1184041