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A251515 as a triangular array

234
22642264
218624547021862
211680915152915152211680
20471941856735038529532185673502047194
198183283762441061644478410164447841037624410619818328
191708742763922660470039777210

A251515 as a square array

234226421862211680204719419818328191708742
226445470915152185673503762441067639226604
2186291515238529532164447841070039777210
211680185673501644478410
2047194376244106
19818328

A251515 as an upper right triangle

234226421862211680204719419818328191708742
226445470915152185673503762441067639226604
2186291515238529532164447841070039777210
211680185673501644478410
2047194376244106
19818328

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Last modified October 28 19:06 EDT 2020. Contains 338064 sequences. (Running on oeis4.)