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A189650 as a triangular array

1
21
391
533321
81852631211
13913427721614501
214777554401070801765516811
34245777990693774889263182114435362721
5512738511047585157346785250758892648903371180167234091
89

A189650 as a square array

123581321345589
1933185913477724577127385
13226342775544079906911047585
112121611070803774889157346785
1450176552631821250758892
1168114435364890337
162721180167
123409
1
123581321345589
1933185913477724577127385
13226342775544079906911047585
112121611070803774889157346785
1450176552631821250758892
1168114435364890337
162721180167
123409
1