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A340316 as a triangular array

2
36
51030
71442210
1115663302310
132170390273030030
172278462357039270510510
19261025103990438905705709699690
233310554642904641069069011741730223092870

A340316 as a square array

23571113171923
610141521222633
3042667078102105
210330390462510546
23102730357039904290
30030392704389046410
510510570570690690
969969011741730
223092870
23571113171923
610141521222633
3042667078102105
210330390462510546
23102730357039904290
30030392704389046410
510510570570690690
969969011741730
223092870