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A306024 as a triangular array

1
10
110
1220
13750
141531150
152695164520
16402147179992030
17574052096622168418770
1877685487523578606195179041400
191001071978067354297692652595428131211470

A306024 as a square array

11111111111
0123456789
0271526405777100
0531952144056851071
015164717209648759780
05299962212357867354
0203684160619297692
087751790652595
04140428131
021147
0
11111111111
0123456789
0271526405777100
0531952144056851071
015164717209648759780
05299962212357867354
0203684160619297692
087751790652595
04140428131
021147
0