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A154684 as a triangular array

1
49
71421
10192837
1324354657
162942556881
193449647994109
2239567390107124141
25446382101120139158177
28497091112133154175196217
315477100123146169

A154684 as a square array

1471013161922252831
9141924293439444954
212835424956637077
37465564738291100
57687990101112123
8194107120133146
109124139154169
141158175
177196
217
1471013161922252831
9141924293439444954
212835424956637077
37465564738291100
57687990101112123
8194107120133146
109124139154169
141158175
177196
217