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A134561 as a triangular array

1
24
3612
571733
89194688
13102051122232
21112553135321609
341427541403558421596
5515286714236893122064180
89163072143373965

A134561 as a square array

123581321345589
46791011141516
1217192025272830
33465153546772
88122135140142143
232321355368373
609842931965
15962206
4180
123581321345589
46791011141516
1217192025272830
33465153546772
88122135140142143
232321355368373
609842931965
15962206
4180