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A219441 as a triangular array

1
21
461
718181
123978471
21962813291341
372251072175013963731
6554340331015711283592510351
1141293152555724998584722722514728891
200309657963326938844553952625

A219441 as a square array

124712213765114200
1618399622554312933096
11878281107240331525557963
14732917501015757249326938
113413961128398584844553
1373592572272952625
1103525147
12889
1

A219441 as an upper right triangle

124712213765114200
1618399622554312933096
11878281107240331525557963
14732917501015757249326938
113413961128398584844553
1373592572272952625
1103525147
12889
1

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Last modified August 2 12:30 EDT 2021. Contains 346424 sequences. (Running on oeis4.)