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A178343 as a triangular array

1
22
3123
436364
580180805
61506006001506
72521575280015752527
839235289800980035283928
9576705628224441002822470565769
108101296070560158760158760705601296081010

A178343 as a square array

12345678910
2123680150252392576810
33618060015753528705612960
480600280098002822470560
51501575980044100158760
6252352828224158760
7392705670560
857612960
9810
10

A178343 as an upper right triangle

12345678910
2123680150252392576810
33618060015753528705612960
480600280098002822470560
51501575980044100158760
6252352828224158760
7392705670560
857612960
9810
10

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Last modified October 15 20:04 EDT 2019. Contains 328037 sequences. (Running on oeis4.)