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A222986 as a triangular array

1
12
145
471414
525437041
1486314584326122
17332946457229031630365
7011721041742607683854571880581094
894566369874149076014071037326227569405983281
326165624319954405097

A222986 as a square array

1114514177089326
24725863321172456616562
514433149461041736987431995
14705844572426074149074405097
41326290368385601407
1221630457181037326
3658058227569
109440598
3281
1114514177089326
24725863321172456616562
514433149461041736987431995
14705844572426074149074405097
41326290368385601407
1221630457181037326
3658058227569
109440598
3281